Rs 710 and Rs 730 Puts Draw Over 24,000 Contracts on HDFC Bank Ltd. Ahead of September Expiry

Put Options Event and Cash Market Context

On 28 September, HDFC Bank Ltd. saw a surge in put option volumes, with 11,274 contracts traded at the Rs 710 strike, 33,529 at Rs 720, and 12,788 at Rs 730. The total turnover for these strikes exceeded ₹1,197 crores, signalling significant interest in downside protection or speculative positioning. Open interest figures were also substantial, with 11,211 contracts at Rs 710, 10,070 at Rs 720, and 11,764 at Rs 730, indicating that much of this activity is fresh or recently added.

The stock itself declined by 1.97% on the day, underperforming its sector by 2.01%, and opened with a gap down of 2.05%. Intraday lows touched Rs 720.5, trading in a narrow range of just 65 paise. This muted price action amid heavy put activity invites a deeper look into the intent behind the options trades — is this a sign of growing bearish conviction or a strategic hedge?

Strike Price Analysis: Moneyness and Distance from Underlying

The underlying stock price at Rs 720.7 places the Rs 720 strike almost exactly at-the-money (ATM), while Rs 710 and Rs 730 strikes are roughly 1.5% out-of-the-money (OTM) on either side. The Rs 710 puts are about 1.5% in-the-money (ITM), given the stock price, and Rs 730 puts are about 1.3% OTM. This tight clustering around the current price suggests that the put activity is focused on near-term downside protection or speculative bets on a modest decline.

Given the expiry is just one day away on 29 September 2026, the time value of these options is minimal, and the premium paid or collected is largely intrinsic or close to it. The Rs 730 puts, with the highest turnover of ₹639 crores, stand out as a key strike where traders are positioning. The Rs 720 strike, with 33,529 contracts traded, dominates volume but has slightly lower open interest than Rs 730, indicating a mix of fresh trades and rollovers.

Interpreting the Put Activity: Bearish Bet, Hedging, or Put Writing?

Put options can serve multiple purposes. The Rs 710 and Rs 720 strikes being ATM to slightly ITM, combined with the stock’s mild decline, could indicate directional bearish bets anticipating further weakness. However, the stock’s recent trading above its 20-day moving average but below the 5-day, 50-day, 100-day, and 200-day averages suggests a mixed technical picture. This could mean traders are hedging existing long positions against a near-term pullback rather than outright betting on a collapse.

Alternatively, the Rs 730 puts, slightly OTM but with high turnover and open interest, may reflect put writing strategies where sellers collect premium expecting the stock to hold above this level. The narrow intraday range and limited delivery volume participation — down 45.55% compared to the 5-day average — support the notion that the rally lacks strong conviction, prompting protective hedging rather than aggressive bearish positioning.

Not all put activity signals fear; in this case, the data suggests a blend of hedging and cautious bearishness, with some put writing likely. How should investors interpret this nuanced options activity in light of the stock’s technical setup?

Open Interest and Contracts Analysis

The ratio of contracts traded to open interest offers insight into whether the activity is fresh or part of existing positions. For the Rs 720 strike, 33,529 contracts traded against an open interest of 10,070, a ratio exceeding 3:1, signalling significant fresh positioning. The Rs 730 strike shows a ratio of approximately 1.1:1, indicating a mix of new and existing trades, while Rs 710’s ratio is close to 1:1, suggesting more rollover or adjustment of existing positions.

This pattern implies that the Rs 720 strike is the focal point for new put buying or selling, while the other strikes serve as support or resistance points in the options chain. The high turnover at Rs 730 with relatively stable open interest hints at put writing, where traders expect the stock to remain above this level through expiry.

Cash Market Context: Technicals and Delivery Volumes

HDFC Bank Ltd. currently trades above its 20-day moving average but remains below the 5-day, 50-day, 100-day, and 200-day averages. This mixed technical stance suggests short-term weakness amid longer-term consolidation. The Rs 710 and Rs 720 put strikes roughly correspond to support zones near the 20-day and 50-day moving averages, consistent with hedging against a pullback to these levels rather than a sharp decline.

Delivery volumes have fallen sharply by 45.55% compared to the recent average, indicating reduced investor participation in the cash market despite the stock’s modest decline. This thinning participation may be why put buyers are seeking protection — the rally or stability lacks strong delivery-backed conviction. does this divergence between price action and delivery volumes signal caution for longs?

Conclusion: Protective Hedging Dominates with a Hint of Bearishness

The heavy put option activity on HDFC Bank Ltd. ahead of the 29 September expiry is best interpreted as a combination of protective hedging and cautious bearish positioning. The concentration of contracts at strikes close to the current price, coupled with the stock’s mixed technical signals and falling delivery volumes, suggests that traders are guarding against a near-term pullback rather than expecting a sharp decline.

Put writing at the Rs 730 strike adds a bullish nuance, indicating some confidence that the stock will hold above this level through expiry. The fresh positioning at Rs 720 points to active risk management amid uncertainty. Should investors consider this nuanced put activity as a signal to hedge or reassess their exposure to HDFC Bank Ltd.?

Options data alone cannot provide a definitive directional call, but when combined with cash market trends and technicals, it paints a picture of a stock in cautious balance, with participants preparing for volatility but not a collapse.

Key Data at a Glance

Disclaimer: Options trading involves significant risk and is not suitable for all investors. The interpretations presented are based on available data and do not constitute investment advice.

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