期货研究报告 投资咨询业务资格：证监许可【2011】1778 号 金融期权 | 日报 2026 年 1 月 8 日 金融期权 专业研究·创造价值 股指延续震荡盘整 核心观点 今日各股指均延续震荡盘整。沪深京三市成交额 28262 亿元，较上日缩 量 553 亿元。股指大幅上行之后，技术面上需要一定时间震荡整固。不过目 前股市成交金额仍然处于较高水平，融资资金买入额保持较高水平，说明目 前市场情绪仍相对乐观。政策面利好预期以及资金净流入趋势这两个主线 逻辑不变，由于股指已经突破前期的震荡区间上沿，后续股指大概率保持相 对强势。总的来说，预计短期内股指震荡偏强运行。 期权方面，目前持仓量 PCR 与隐含波动率均有所回升，可以牛市价差 的思路对待。 （仅供参考，不构成任何投资建议） 姓名：龙奥明 电话：0571-87006873 宝城期货投资咨询部 从业资格证号：F3035632 投资咨询证号：Z0014648 邮箱：longaoming@bcqhgs.com 作者声明：本人具有中国期货 业协会授予的期货从业资格证 书，期货投资咨询资格证书， 本人承诺以勤勉的职业态度， 独立、客观地出具本报告。本 报告清晰准确地反 ...

Core Points - The Shanghai Stock Exchange announced the expiration and exercise dates for five ETF options, which will expire on November 26, 2025 [1] - Investors are advised to closely monitor the trading and exercise of these options and prepare accordingly [1] Group 1: Options Details - The five ETF options include: 50ETF options (510050), 300ETF options (510300), 500ETF options (510500), Sci-Tech 50ETF options (588000), and Sci-Tech Board 50ETF options (588080) [1] - The last trading day, exercise day, and expiration day for these options are all set for November 26, 2025 [1] Group 2: Exercise Procedures - On the exercise day, holders of call options must prepare sufficient funds, while holders of put options must have the underlying assets ready [2] - The underlying assets transferred from margin accounts to securities accounts cannot be used for the same day's option exercise settlement [2] - The underlying assets obtained through exercising call options can be sold starting from the next trading day after the exercise settlement [2]

Group 1: Introduction to Volatility Indexes - The financial options implied volatility index reflects the 30 - day implied volatility (IV) trend as of the previous trading day. The commodity options implied volatility index is obtained by weighting the IV of the two - strike options around the at - the - money option of the front - month contract, reflecting the IV change trend of the front - month contract [3] - The difference between the IV index and historical volatility (HV) indicates the relative level of IV to HV. A larger difference means higher IV relative to HV, and a smaller difference means lower IV relative to HV [3] Group 2: Volatility Data Graphs - There are graphs showing the IV, HV, and IV - HV differences for various financial and commodity options, including 300 Index, 50ETF, 1000 Index, 500ETF, and many commodity options such as silver, gold, sugar, cotton, etc. [4] Group 3: Quantile Rankings of Volatility - Implied volatility quantiles represent the current level of a variety's IV in history. A high quantile means the current IV is high, and a low quantile means the IV is low. Volatility spread is related to the IV index and historical volatility [5] - There are rankings of implied volatility quantiles and historical volatility quantiles for different varieties, such as 300 Index with quantiles of 0.89 and 0.74, 300 Index with 0.62, etc. [5][6]

1. Report Summary - Report Date: November 3, 2025 [1] - Report Name: Pioneer Futures Options Daily Report 2. Options Underlying Volatility Ranking - The report presents a ranking of options underlying based on three volatility metrics: implied volatility of at - the - money options, 30 - day historical volatility of the underlying, and the underlying's true range on the day. For example, ps2512 ranks first in implied volatility of at - the - money options with 3.1%, while rm601 ranks first in the underlying's true range on the day with 4.8% [3][4]. - The implied volatility of at - the - money options reflects the market's expectation of future fluctuations of the variety, the 30 - day historical volatility reflects the past actual market size, and the true range on the day reflects the intraday market size [5]. 3. Exchange - Specific Options Analysis 3.1 Shanghai Stock Exchange Options 3.1.1 Shanghai 50ETF - **Basic Information**: The trading volume of the main options of Shanghai 50ETF on the day is 632,460 lots, the open interest is 897,163 lots, the trading volume ratio of call options to put options is 1.45, and the weighted average implied volatility is 15.93% [19][21]. - **Volatility Trading**: Volatility trading suggestions include selling the month with the curve on top and buying the month with the curve below for different months, and selling the option with the point above the curve and buying the option with the point below the curve for the same month [26]. - **Risk - Free Arbitrage**: The minimum annualized return of the optimal arbitrage portfolio held to maturity is 4.67% when trading at the settlement price and 1.16% when trading at the counter - party price [28][30]. 3.1.2 Huatai - Berry SSE 300ETF - **Basic Information**: The trading volume of the main options of Huatai - Berry SSE 300ETF on the day is 670,871 lots, the open interest is 740,234 lots, the trading volume ratio of call options to put options is 1.23, and the weighted average implied volatility is 16.61% [31][33]. - **Volatility Trading**: Similar to Shanghai 50ETF, sell the month with the curve on top and buy the month with the curve below for different months, and sell the option with the point above the curve and buy the option with the point below the curve for the same month [37]. - **Risk - Free Arbitrage**: The minimum annualized return of the optimal arbitrage portfolio held to maturity is 4.45% when trading at the settlement price and 0.18% when trading at the counter - party price [40][42]. 3.1.3 Southern CSI 500ETF - **Basic Information**: The trading volume of the main options of Southern CSI 500ETF on the day is 1,244,691 lots, the open interest is 790,230 lots, the trading volume ratio of call options to put options is 0.9, and the weighted average implied volatility is 20.66% [43][45]. - **Volatility Trading**: Follow the same volatility trading suggestions as above [49]. - **Risk - Free Arbitrage**: The minimum annualized return of the optimal arbitrage portfolio held to maturity is 25.3% when trading at the settlement price and 5.60% when trading at the counter - party price [52][54]. 3.1.4 Huaxia SSE STAR 50ETF - **Basic Information**: The trading volume of the main options of Huaxia SSE STAR 50ETF on the day is 995,460 lots, the open interest is 1,173,825 lots, the trading volume ratio of call options to put options is 1.15, and the weighted average implied volatility is 37.4% [55][57]. - **Volatility Trading**: Adopt the same volatility trading strategies [62]. - **Risk - Free Arbitrage**: The minimum annualized return of the optimal arbitrage portfolio held to maturity is 12.3% when trading at the settlement price and 0.66% when trading at the counter - party price [64][66]. 3.1.5 E Fund SSE STAR 50ETF - **Basic Information**: The trading volume of the main options of E Fund SSE STAR 50ETF on the day is 194,205 lots, the open interest is 286,584 lots, the trading volume ratio of call options to put options is 1.34, and the weighted average implied volatility is 38.24% [67][68]. - **Volatility Trading**: Use the same volatility trading methods [72]. - **Risk - Free Arbitrage**: The minimum annualized return of the optimal arbitrage portfolio held to maturity is 14.6% when trading at the settlement price and 2.75% when trading at the counter - party price [76][78]. 3.2 Shenzhen Stock Exchange Options 3.2.1 Harvest SSE 300ETF - **Basic Information**: The trading volume of the main options of Harvest SSE 300ETF on the day is 126,768 lots, the open interest is 151,843 lots, the trading volume ratio of call options to put options is 0.96, and the weighted average implied volatility is 17.72% [79][81]. - **Volatility Trading**: Apply the same volatility trading suggestions [87]. - **Risk - Free Arbitrage**: The minimum annualized return of the optimal arbitrage portfolio held to maturity is 19.4% when trading at the settlement price and 1.52% when trading at the counter - party price [89][91].

Group 1: Report Summary - The report is the Pioneer Futures Options Daily Report dated October 29, 2025, presenting data on option implied volatility, historical volatility, and real - time volatility of various underlying assets, along with information on different exchanges' option products [1][3] Group 2: Option Volatility Ranking - The table shows the ranking of at - the - money option implied volatility, 30 - day historical volatility, and daily real - time volatility of multiple underlying assets. For example, ps2512 has the highest at - the - money option implied volatility of 2.6% and the highest daily real - time volatility of 3.4% [3] Group 3: Explanation of Volatility Indicators - At - the - money option implied volatility reflects the market's expectation of future price fluctuations of the underlying asset. Higher values suggest a greater likelihood of significant market movements. 30 - day historical volatility reflects the actual past price movements of the underlying asset. If it is lower than the implied volatility, the option price may be relatively high. The daily real - time volatility reflects the intraday price movements of the underlying asset [6] Group 4: Exchange - Specific Option Information 4.1 Shanghai Stock Exchange Options - **Shanghai 50ETF**: The trading volume of the main options is 405,811 lots, the open interest is 741,948 lots, the trading volume ratio of call options to put options is 1.57, and the weighted average implied volatility is 16.23%. Volatility trading and risk - free arbitrage strategies are provided, with the lowest annualized return of 6.48% for the optimal arbitrage portfolio at the settlement price and 0.87% at the counter - party price [20][22][28] - **Huatai - Baoying CSI 300ETF**: The trading volume of the main options is 555,860 lots, the open interest is 653,745 lots, the trading volume ratio of call options to put options is 1.36, and the weighted average implied volatility is 17.2%. The lowest annualized return of the optimal arbitrage portfolio is 3.89% at the settlement price and 1.00% at the counter - party price [30][33][41] - **Southern CSI 500ETF**: The trading volume of the main options is 1,125,835 lots, the open interest is 699,515 lots, the trading volume ratio of call options to put options is 1.21, and the weighted average implied volatility is 20.44%. The lowest annualized return of the optimal arbitrage portfolio is 33.9% at the settlement price and 7.21% at the counter - party price [44][46][52] - **Huaxia Shanghai Science and Technology Innovation Board 50ETF**: The trading volume of the main options is 844,973 lots, the open interest is 1,038,411 lots, the trading volume ratio of call options to put options is 1.78, and the weighted average implied volatility is 37.57%. The lowest annualized return of the optimal arbitrage portfolio is 17.6% at the settlement price and 3.96% at the counter - party price [55][57][63] - **E Fund Shanghai Science and Technology Innovation Board 50ETF**: The trading volume of the main options is 148,138 lots, the open interest is 252,084 lots, the trading volume ratio of call options to put options is 2.14, and the weighted average implied volatility is 37.4%. The lowest annualized return of the optimal arbitrage portfolio is 15.0% at the settlement price and 3.07% at the counter - party price [67][75] 4.2 Shenzhen Stock Exchange Options - **Harvest CSI 300ETF**: The trading volume of the main options is 70,155 lots, the open interest is 120,034 lots, the trading volume ratio of call options to put options is 1.86, and the weighted average implied volatility is 19.01%. The lowest annualized return of the optimal arbitrage portfolio is 12.1% at the settlement price and 0.23% at the counter - party price [78][80][88] - **E Fund ChiNext ETF**: The trading volume of the main options is 1,477,866 lots, the open interest is 953,760 lots, the trading volume ratio of call options to put options is 1.38, and the weighted average implied volatility is 35.11%. The lowest annualized return of the optimal arbitrage portfolio is 11.7% at the settlement price and 2.02% at the counter - party price [90][92][98]

Report Information - Report Title: Pioneer Futures Options Daily Report - Report Date: October 28, 2025 [1] Option Underlying Market Volatility Ranking - The report provides a ranking of option underlying market volatility, including implied volatility of at-the-money options, 30-day historical volatility, and daily true range for various underlying assets [3][4]. - For example, ps2512 has an implied volatility of 2.8%, ranking 1st; lc2512 has an implied volatility of 2.6%, ranking 2nd [3]. Directory Summary 1. Shanghai Stock Exchange Options 1.1 Shanghai 50ETF - **Basic Information**: The report presents the T-type quotation table of Shanghai 50ETF options, including call and put option prices at different strike prices. The trading volume of the main options is 629,174 lots, the open interest is 729,512 lots, the volume ratio of call to put options is 1.19, and the weighted average implied volatility is 16.04% [19][21]. - **Volatility Trading**: Volatility trading suggestions are provided, such as selling the month with the curve above and buying the month with the curve below for different months; selling options with points above the curve and buying options with points below the curve for the same month [22]. - **Risk-Free Arbitrage**: The optimal arbitrage portfolio held to maturity has a minimum annualized yield of 2.72% when traded at the settlement price and 1.61% when traded at the counterparty price [26][28]. 1.2 Huatai-PineBridge CSI 300ETF - **Basic Information**: The T-type quotation table of Huatai-PineBridge CSI 300ETF options is presented. The trading volume of the main options is 650,165 lots, the open interest is 630,680 lots, the volume ratio of call to put options is 1.21, and the weighted average implied volatility is 17% [29][31]. - **Volatility Trading**: Similar volatility trading suggestions are given [38]. - **Risk-Free Arbitrage**: The optimal arbitrage portfolio held to maturity has a minimum annualized yield of 2.87% when traded at the settlement price and 0.02% when traded at the counterparty price [39][41]. 1.3 Southern CSI 500ETF - **Basic Information**: The T-type quotation table of Southern CSI 500ETF options is provided. The trading volume of the main options is 1,059,387 lots, the open interest is 690,068 lots, the volume ratio of call to put options is 1.03, and the weighted average implied volatility is 20.53% [42][44]. - **Volatility Trading**: Volatility trading suggestions are similar to the above [48]. - **Risk-Free Arbitrage**: The optimal arbitrage portfolio held to maturity has a minimum annualized yield of 34.5% when traded at the settlement price and 7.48% when traded at the counterparty price [51][53]. 1.4 Huaxia Shanghai Science and Technology Innovation 50ETF - **Basic Information**: The T-type quotation table of Huaxia Shanghai Science and Technology Innovation 50ETF options is shown. The trading volume of the main options is 885,668 lots, the open interest is 987,813 lots, the volume ratio of call to put options is 1.63, and the weighted average implied volatility is 36.69% [54][55]. - **Volatility Trading**: Similar volatility trading suggestions are provided [61]. - **Risk-Free Arbitrage**: The optimal arbitrage portfolio held to maturity has a minimum annualized yield of 8.84% when traded at the settlement price and 2.31% when traded at the counterparty price [63][65]. 1.5 E Fund Shanghai Science and Technology Innovation 50ETF - **Basic Information**: The T-type quotation table of E Fund Shanghai Science and Technology Innovation 50ETF options is presented. The trading volume of the main options is 153,032 lots, the open interest is 248,888 lots, the volume ratio of call to put options is 1.81, and the weighted average implied volatility is 36.8% [66][68]. - **Volatility Trading**: Similar volatility trading suggestions are given [70]. - **Risk-Free Arbitrage**: The optimal arbitrage portfolio held to maturity has a minimum annualized yield of 14.3% when traded at the settlement price and 2.51% when traded at the counterparty price [74][76]. 2. Shenzhen Stock Exchange Options 2.1 Harvest CSI 300ETF - **Basic Information**: The T-type quotation table of Harvest CSI 300ETF options is provided. The trading volume of the main options is 104,115 lots, the open interest is 122,101 lots, the volume ratio of call to put options is 1.62, and the weighted average implied volatility is 18.03% [77][79]. - **Volatility Trading**: Volatility trading suggestions are similar to the above [84].

1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints The report presents the option market data of multiple underlying assets, including the ranking of option volatility, trading volume, and open interest of major options, as well as provides volatility trading suggestions and no - risk arbitrage analysis for various exchange - listed options [3][20][22]. 3. Summary by Directory 3.1 Option Volatility Ranking - The report lists the implied volatility, 30 - day historical volatility, and daily true range of multiple option underlying assets, along with their rankings [3]. - The zc511 has the highest implied volatility of 10.1%, ranking first; the 30 - day historical volatility of the科创50etf10月 is 2.4%, ranking first; and the daily true range of the科创50etf10月 is 6.7%, ranking first [3]. 3.2 Shanghai Stock Exchange Options 3.2.1 Shanghai 50ETF - **Basic Information**: The trading volume of the main options is 948,596 lots, the open interest is 996,227 lots, the trading volume ratio of call options to put options is 1.61, and the weighted average implied volatility is 17.82% [20]. - **Volatility Trading**: Suggestions are to sell options in months with higher curves and buy those in months with lower curves; for the same month, sell options with points above the curve and buy those below [22]. - **No - Risk Arbitrage**: The minimum annualized rate of return for the optimal arbitrage portfolio held to maturity is 12.2% at the settlement price and 1.30% at the counter - price [26][28]. 3.2.2 Huatai - Berry CSI 300ETF - **Basic Information**: The trading volume of the main options is 1,091,824 lots, the open interest is 785,510 lots, the trading volume ratio of call options to put options is 1.13, and the weighted average implied volatility is 17.04% [31]. - **Volatility Trading**: Similar to the Shanghai 50ETF, sell options in months with higher curves and buy those in months with lower curves; for the same month, sell options with points above the curve and buy those below [33]. - **No - Risk Arbitrage**: The minimum annualized rate of return for the optimal arbitrage portfolio held to maturity is 16.6% at the settlement price and 4.13% at the counter - price [37][39]. 3.2.3 Southern CSI 500ETF - **Basic Information**: The trading volume of the main options is 1,404,681 lots, the open interest is 662,200 lots, the trading volume ratio of call options to put options is 1.11, and the weighted average implied volatility is 20.21% [42]. - **Volatility Trading**: The same trading suggestions as above, sell high - curve options and buy low - curve options [44]. - **No - Risk Arbitrage**: The minimum annualized rate of return for the optimal arbitrage portfolio held to maturity is 26.0% at the settlement price and 5.55% at the counter - price [48][50]. 3.2.4 Huaxia Shanghai Science and Technology Innovation 50ETF - **Basic Information**: The trading volume of the main options is 1,569,435 lots, the open interest is 1,118,938 lots, the trading volume ratio of call options to put options is 1.12, and the weighted average implied volatility is 44.48% [53]. - **Volatility Trading**: Sell options in months with higher curves and buy those in months with lower curves; for the same month, sell high - point options and buy low - point options [56]. - **No - Risk Arbitrage**: The minimum annualized rate of return for the optimal arbitrage portfolio held to maturity is 31.7% at the settlement price and 3.44% at the counter - price [60][62]. 3.2.5 E Fund Shanghai Science and Technology Innovation 50ETF - **Basic Information**: The trading volume of the main options is 361,098 lots, the open interest is 320,378 lots, the trading volume ratio of call options to put options is 1.38, and the weighted average implied volatility is 45.36% [65]. - **Volatility Trading**: The same trading suggestions as other options, sell high - curve options and buy low - curve options [67]. - **No - Risk Arbitrage**: No relevant data provided.

Group 1 - The report introduces a volatility timing strategy using straddle options in the A-share market, which can reduce the maximum drawdown of asset allocation by approximately 5% and improve the Calmar ratio by over 0.1 [1][67]. - The report emphasizes that while the A-share market lacks direct volatility index derivatives, investors can construct equivalent volatility strategies using existing ETF options, enhancing risk management and opportunity capture [6][20]. - The analysis indicates that extreme volatility spikes often occur after volatility has dropped to historically low levels, suggesting a potential "coiling" effect before significant market movements [60][68]. Group 2 - The report details that single-leg strategies for trading 300ETF options exhibit high volatility and drawdown, making them unsuitable for risk-averse funds [24][44]. - In contrast, straddle strategies show lower volatility and drawdown, with annualized volatility generally below 0.1, making them more stable for investors [48][45]. - The report finds that selling straddle options can provide stable excess returns, while buying options tends to be less effective due to high premiums and infrequent large market movements [57][59]. Group 3 - The report proposes a volatility timing approach where selling straddle options is switched to buying when volatility falls to historical low thresholds (5%, 10%, 15%), effectively reducing drawdown from 21.4% to 13.5% and increasing annualized returns from 3.5% to 5.8% [63][66]. - Incorporating the volatility timing straddle strategy into traditional stock-bond portfolios can significantly enhance performance metrics, including a reduction in maximum drawdown and an increase in the Calmar ratio [67][1].

1. Report Information - Report Name: Pioneer Futures Option Daily Report [1] - Report Date: September 2, 2025 [1] 2. Option Underlying Volatility Ranking 2.1 Ranking Explanation - The table shows the ranking of option underlying based on at-the-money implied volatility, 30-day historical volatility, and daily true range [3]. - The at-the-money implied volatility reflects the market's expectation of future price movement of the underlying, with higher values indicating a greater likelihood of significant price changes [5]. - The 30-day historical volatility shows the actual historical price movements of the underlying, and a lower value compared to the implied volatility may suggest that the option price is relatively expensive [5]. - The daily true range represents the intraday price movement of the underlying on the day [5]. 2.2 Top Rankings - **At-the-money Implied Volatility**: ps2510 ranks first with 4.5% [3]. - **30-day Historical Volatility**: lc2510 ranks first with 3.3% [3]. - **Daily True Range**: The创业板etf9月 ranks first with 4.9% [3]. 3. Exchange Option Analysis 3.1 Shanghai Stock Exchange Options 3.1.1 Shanghai 50ETF - **Basic Information**: The trading volume of the main Shanghai 50ETF options is 1,076,227 lots, the open interest is 1,248,294 lots, the trading volume ratio of call to put options is 1.62, and the weighted average implied volatility is 22.37% [20]. - **Volatility Trading**: Sell options in months with higher implied volatility curves and buy those in months with lower curves; sell options with higher points on the curve and buy those with lower points within the same month [23]. - **Risk-free Arbitrage**: The minimum annualized return of the optimal arbitrage portfolio held to maturity is 8.60% at the settlement price and 1.41% at the counterparty price [26][28]. 3.1.2 Huatai-PineBridge CSI 300ETF - **Basic Information**: The trading volume of the main Huatai-PineBridge CSI 300ETF options is 1,169,972 lots, the open interest is 985,481 lots, the trading volume ratio of call to put options is 1.33, and the weighted average implied volatility is 21.71% [31]. - **Volatility Trading**: Similar to the Shanghai 50ETF, sell options in months with higher implied volatility curves and buy those in months with lower curves; sell options with higher points on the curve and buy those with lower points within the same month [34]. - **Risk-free Arbitrage**: The minimum annualized return of the optimal arbitrage portfolio held to maturity is 29.7% at the settlement price and 2.01% at the counterparty price [38][39]. 3.1.3 Southern CSI 500ETF - **Basic Information**: The trading volume of the main Southern CSI 500ETF options is 1,979,658 lots, the open interest is 981,865 lots, the trading volume ratio of call to put options is 1.04, and the weighted average implied volatility is 25.75% [42]. - **Volatility Trading**: Follow the same strategy as above, sell options in months with higher implied volatility curves and buy those in months with lower curves; sell options with higher points on the curve and buy those with lower points within the same month [45]. - **Risk-free Arbitrage**: The minimum annualized return of the optimal arbitrage portfolio held to maturity is 66.8% at the settlement price and 15.6% at the counterparty price [50][52]. 3.1.4 Huaxia SSE STAR 50 ETF - **Basic Information**: The trading volume of the main Huaxia SSE STAR 50 ETF options is 1,657,235 lots, the open interest is 1,550,085 lots, the trading volume ratio of call to put options is 1.53, and the weighted average implied volatility is 50.24% [55]. - **Volatility Trading**: Adopt the same volatility trading strategy, sell options in months with higher implied volatility curves and buy those in months with lower curves; sell options with higher points on the curve and buy those with lower points within the same month [59]. - **Risk-free Arbitrage**: The minimum annualized return of the optimal arbitrage portfolio held to maturity is 16.7% at the settlement price and 2.42% at the counterparty price [63][64]. 3.1.5 E Fund SSE STAR 50 ETF - **Basic Information**: The trading volume of the main E Fund SSE STAR 50 ETF options is 360,178 lots, the open interest is 430,779 lots, the trading volume ratio of call to put options is 1.58, and the weighted average implied volatility is 50.98% [67]. - **Volatility Trading**: Use the same volatility trading approach, sell options in months with higher implied volatility curves and buy those in months with lower curves; sell options with higher points on the curve and buy those with lower points within the same month [69]. - **Risk-free Arbitrage**: The minimum annualized return of the optimal arbitrage portfolio held to maturity is 27.2% at the settlement price and 6.03% at the counterparty price [74][76]. 3.2 Shenzhen Stock Exchange Options 3.2.1 Harvest CSI 300ETF - **Basic Information**: The trading volume of the main Harvest CSI 300ETF options is 225,860 lots, the open interest is 217,157 lots, the trading volume ratio of call to put options is 1.31, and the weighted average implied volatility is 24.33% [80]. - **Volatility Trading**: Apply the same volatility trading strategy, sell options in months with higher implied volatility curves and buy those in months with lower curves; sell options with higher points on the curve and buy those with lower points within the same month [83]. - **Risk-free Arbitrage**: The minimum annualized return of the optimal arbitrage portfolio held to maturity is 18.3% at the settlement price and 2.19% at the counterparty price [86][88].