Rs 580 and Rs 590 Puts Draw Heavy Interest on Hindustan Zinc Ltd Ahead of Expiry

Put Options Event and Cash Market Context

On 25 August 2026, Hindustan Zinc Ltd witnessed significant put option activity concentrated at the Rs 580 and Rs 590 strikes. Specifically, 2,445 contracts traded at Rs 580 with an open interest of 1,210, while 2,994 contracts changed hands at Rs 590 with an open interest of 926. The combined turnover for these strikes was approximately ₹152.7 lakhs. The underlying stock price stood at Rs 593.05, down 2.21% on the day but still above key moving averages.

This activity is notable given the expiry is imminent, scheduled for the same day, 25 August 2026. The volume of contracts traded relative to open interest suggests a substantial amount of fresh positioning, though the ratio of contracts traded to open interest is lower than in the calls market, indicating a mix of new and existing positions. Hindustan Zinc Ltd outperformed its sector by 0.94% despite the day’s decline, and the stock remains above its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages — a technical backdrop that complicates a straightforward bearish interpretation. Is this put activity signalling protection or conviction?

Strike Price Analysis: Moneyness and Distance from Underlying

The Rs 580 strike sits approximately 2.2% below the current price of Rs 593.05, while the Rs 590 strike is just 0.5% out-of-the-money. Both strikes are near at-the-money (ATM) or slightly out-of-the-money (OTM), which is a critical factor in interpreting the intent behind the put activity.

OTM puts, especially those a few percentage points below the current price, are often used for hedging existing long positions, providing a safety net against a moderate pullback. Conversely, ATM puts tend to be more directional, signalling bearish bets if the stock is falling. However, given the stock's position above all major moving averages and the relatively narrow trading range of Rs 1.8 on the day, the Rs 590 puts may also serve as a hedge rather than outright bearish speculation. Could these strikes be chosen to protect gains rather than to bet on a sharp decline?

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

Put option activity can be ambiguous. The three primary interpretations are:

• Bearish positioning: Buying puts to profit from a decline, typically ATM or in-the-money (ITM) puts during a downtrend.
• Protective hedging: Buying OTM puts to guard against downside risk in a rising or stable stock.
• Put writing (selling puts): Collecting premium by selling puts, often signalling bullishness or confidence that the stock will not fall below the strike.

In this case, the stock has recently reversed after three consecutive days of gains and is down 1.71% today, yet it remains above all major moving averages. The Rs 580 and Rs 590 strikes are close to the current price but slightly below it, suggesting that the put buyers may be seeking protection against a modest pullback rather than anticipating a sharp fall. The sizeable turnover and open interest at these strikes support the view of fresh hedging activity rather than pure bearish bets.

Put writing is less likely here given the high turnover and open interest, which indicate active buying rather than premium collection. The stock’s technical strength and rising delivery volumes further support the protective hedging interpretation. Is the options market signalling caution or conviction?

Open Interest and Contracts Analysis

The ratio of contracts traded to open interest is approximately 2:1 for the Rs 580 strike and over 3:1 for the Rs 590 strike, indicating a significant amount of fresh activity. This suggests that traders are actively establishing new positions rather than merely adjusting existing ones. The combined open interest of 2,136 contracts at these strikes is substantial, reflecting concentrated interest in downside protection near current levels.

Comparatively, the calls market shows even higher ratios, but the put activity here is notable given the stock’s recent rally and technical strength. The fresh put buying at strikes just below the current price aligns with a strategy of hedging against a potential short-term pullback rather than outright bearish speculation.

Cash Market Context: Technicals and Delivery Volumes

Hindustan Zinc Ltd is trading above its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages, signalling a strong technical position. Despite a 1.71% decline today, the stock has outperformed its sector, which fell 2.7%. Delivery volumes surged to 70.58 lakh shares on 24 August, a 189.41% increase over the five-day average, indicating rising investor participation in the cash market.

However, the stock’s narrow trading range and recent reversal after three days of gains suggest some caution among traders. The put activity at strikes just below the current price may be a reflection of this caution, providing a hedge against a possible pullback to moving average support levels. Does this technical setup favour protective hedging over bearish bets?

Fundamental and Sector Context

Hindustan Zinc Ltd operates in the Non - Ferrous Metals sector, a space that has seen mixed performance recently. The stock’s large-cap status and market capitalisation of ₹2,55,547 crore underpin its significance in the sector. While the sector declined by 2.7% on the day, Hindustan Zinc Ltd outperformed, suggesting relative resilience. This fundamental backdrop supports the view that the put activity is more likely hedging than outright bearish speculation.

Conclusion: Protective Hedging Most Likely

The heavy put option activity at Rs 580 and Rs 590 strikes on Hindustan Zinc Ltd ahead of the 25 August expiry is best interpreted as protective hedging rather than a directional bearish bet. The stock’s position above all major moving averages, the proximity of the put strikes just below the current price, and the fresh nature of the put contracts traded all point to investors seeking downside protection amid a cautious technical setup.

Put writing appears less likely given the volume and open interest patterns, and the stock’s recent outperformance of its sector further supports a neutral-to-bullish stance masked by prudent risk management. Should investors consider similar hedging strategies or interpret this as a signal of underlying weakness?

Options risk warning: Trading options involves significant risk and is not suitable for all investors. It is important to understand the risks and consult with a financial advisor before engaging in options trading.

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