Core Viewpoint - Bitcoin traders are showing increased interest in $100,000 strike call options for January expiry, indicating a bullish sentiment for Bitcoin's price rally into six digits [1][4]. Group 1: Options Market Activity - There has been a notable increase in the number of active contracts for the $100,000 call option, with an increase of 420 BTC in the past 24 hours, translating to a notional open interest growth of $38.80 million [3]. - The total notional open interest for the $100,000 call option reached $1.45 billion, with January expiry accounting for $828 million [4]. - The flow of options is primarily driven by rollovers, with significant interest noted around the January 30 $100,000 calls [2]. Group 2: Price Movements and Sentiment - Bitcoin's price has risen approximately 5% in the first five days of the year, briefly exceeding $93,000, which could further boost demand for bullish options if the price surpasses $94,000 [5]. - The market sentiment remains bullish, reflecting the trends observed throughout 2025, where traders pursued call options with strikes ranging from $100,000 to $140,000 [4]. - A shift in post-December expiry positioning has been noted, with BTC perpetual funding on Deribit exceeding 30%, indicating that dealers are now short gamma to the upside [6].