Report Industry Investment Rating - No relevant content provided Core Viewpoints - The weekly technical analysis of treasury bond futures shows that the neckline of the head-and-shoulders bottom of the 30-year treasury bond futures was broken, weakening the pattern, and attention should be paid to the subsequent repair strength. TL2603 fell back after a rebound and is in a short-term adjustment. If it further declines after the repair, subsequent market conditions need to be dealt with cautiously [1]. - The data tracking of treasury bond futures indicates that the main contract is about to change, and the cash-and-carry strategy of the 2603 contract still has some participation value. This week, the performance of treasury bond futures was differentiated, and the trading activity increased overall. The CTD net basis of the 2603 contract decreased overall, and the IRR increased except for TL. Currently, the IRR of T2603 and TL2603 is still significantly higher than the capital interest rate [2]. Summary by Directory 1. Weekly Technical Analysis 1.1 Pre - trend Review - This week, the trends of T and TL were differentiated. T rose slightly, while TL declined continuously since Wednesday. TL2603 first rose and then fell, and TL2512 broke below the upper edge of the bottom area (around 115.57) on Friday, breaking the neckline of the head-and-shoulders bottom pattern and closing near the 60 - day line [6]. 1.2 Subsequent Market Outlook - TL2603 showed signs of weakening after breaking below the neckline of the head-and-shoulders bottom on Friday. From the perspective of the wave theory, the adjustment since November 5th may form a platform type, and it may be at the end of the short - term adjustment. Attention should be paid to the repair strength. If the market declines again after the repair, the risk of further continuation of the adjustment needs to be concerned. TL2603 was weaker than T2603 this week. T2603 also broke below 115.57 on Friday, weakening the pattern. If the end of the platform type forms a phased low, the subsequent market can still be optimistic [9]. 2. Weekly Tracking of Treasury Bond Futures - This week, the performance of treasury bond futures was differentiated. As of November 21st, the closing prices of the 2512 contracts of 2 - year, 5 - year, 10 - year, and 30 - year treasury bond futures were 102.460, 105.855, 108.430, and 115.57 yuan respectively, with changes of +0.006, -0.020, +0.015, and -0.59 yuan compared with the previous week [15]. - The trading activity of treasury bond futures increased overall this week. The average daily trading volume of the 2512 contracts of each maturity increased compared with last week, and the trading volume/holding volume increased for each maturity [15]. - As of November 21st, the holding volume of the 2512 contracts of treasury bond futures decreased across the board, while that of the 2603 contracts increased across the board, indicating that participants continued to shift positions [15]. - As of November 21st, the CTD net basis of the 2603 contracts of each maturity decreased overall, with little change in TL. The CTD net basis of the 2512 contracts of 2 - year, 5 - year, 10 - year, and 30 - year were -0.07, -0.05, -0.11, and -0.13 yuan respectively. In terms of IRR, the IRR of the CTD of the 2603 contracts of 2 - year, 5 - year, 10 - year, and 30 - year were 1.66%, 1.60%, 1.77%, and 1.75% respectively, increasing except for TL. The cash - and - carry strategies of T2603 and TL2603 still have some participation value. The spread between the 2512 - 2603 contracts decreased overall this week [18].

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