HDFC Bank's October 2025 Puts Surge with 5,893 Contracts at Rs 1,000 Strike

HDFC Bank Ltd. has emerged as one of the most active stocks in the options market today, particularly in the put options segment. The underlying stock, HDFCBANK, is currently valued at Rs 1001.05, just 1.77% shy of its 52-week high of Rs 1020.5. The bank's put options, set to expire on October 28, 2025, have seen significant activity, with 5,893 contracts traded and a turnover of Rs 313.74 lakhs. Open interest stands at 2,078 contracts, indicating ongoing interest in these options.
Despite the notable trading activity, HDFC Bank's stock has underperformed its sector by 0.25% today, marking a trend reversal after six consecutive days of gains. The stock has traded within a narrow range of Rs 9.95, reflecting a period of consolidation. It is currently above its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages, suggesting a generally positive long-term trend.

Investor participation has risen significantly, with a delivery volume of 3.03 crore shares on October 23, up 150.84% compared to the 5-day average. The liquidity remains robust, accommodating trades of Rs 48.93 crore based on 2% of the 5-day average traded value.

In summary, HDFC Bank's put options activity highlights a dynamic trading environment, even as the stock experiences a slight decline today.