Strip Strategy Bankex: Setup, Payoff and Risk Guide

The strip strategy Bankex modifies the standard long straddle by adding an extra put, shifting the payoff so that an equal magnitude move produces a larger gain on the downside than on the upside. This makes the this strategy a directional variant of the straddle, suited to a trader with a large move view and a bearish lean, rather than a purely neutral one. It is the mirror image of the strap strategy, which weights the payoff toward the upside instead.

Because it involves buying three options in total rather than two, the strip strategy Bankex costs more upfront than a standard long straddle, and this higher cost should be weighed against the benefit of the added downside participation.

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What Is the The position?

The strip strategy Bankex is a three leg options trade that buys one call and two puts, all at the same at the money strike and the same expiry. The net debit paid is the maximum loss, and profit potential is substantial in either direction, with a bearish tilt due to the extra put.

The legs of the this trade are:

• Buy one at the money call at the chosen strike, providing standard upside participation
• Buy two at the money puts at the same strike, providing amplified downside participation

Because there are two long puts against one long call, the strip strategy Bankex gains roughly twice as much for a given downside move as it does for an equivalent upside move, distinguishing it from a standard long straddle, which weighs both directions equally.

How Does the This options approach Work?

With Bankex at Rs 59,500, the strip strategy Bankex would be centred on the ATM strike of approximately 59,500, buying one call and two puts there. The position profits more from a decline past the lower breakeven than from an equivalent rally past the upper breakeven, reflecting the 2 to 1 weighting toward puts.

Parameter	Details
Index	BSE Bankex (BSE)
Expiry	Monthly only, last Thursday of the month. Effective September 2025 (NSE and BSE index expiry swap). Weekly contracts discontinued November 2024.
Lot Size	15 units (effective from January 2026 per NSE circular, reduced from 20)
Strategy Type	Large move expected, bearish bias, net debit
Legs	3 (one ATM call and two ATM puts, same strike)
Max Profit	Substantial (downside, amplified, limited by index falling to zero); substantial to unlimited (upside, standard)
Max Loss	Net debit paid at entry, times lot size
Margin	Varies dynamically. Check live margin on your broker's calculator before placing any order.

The spread: Step by Step Setup

1. Identify the ATM strike from the Bankex option chain. With Bankex at Rs 59,500, the ATM strike for the strip strategy Bankex is approximately 59,500.
2. Buy one ATM call at the chosen strike. This leg of the this strategy provides standard upside participation.
3. Buy two ATM puts at the same strike. These two legs provide the amplified downside participation that distinguishes the strip strategy Bankex from a standard straddle.
4. Calculate the total net debit. This equals the combined premium of the one call and two puts, multiplied by the lot size, for the the position.
5. Calculate both breakeven points. Because of the unequal weighting, the lower breakeven for the strip strategy Bankex is closer to the strike than the upper breakeven, reflecting the smaller move needed on the downside to offset the total debit given the amplified put exposure.

Illustrative Payoff: This trade

Illustrative example for educational purposes only. Strikes and premiums are hypothetical and should not be interpreted as a trade recommendation.

Hypothetical setup: Buy one 59,500 CE at Rs 195 per unit and buy two 59,500 PE at Rs 185 per unit each. Total net debit: Rs 565 per unit. Lot size: 15 units. Total debit per lot: Rs 8,475.

Bankex at Expiry	P&L Per Lot (approx, Rs)	Outcome
Well below 59,218	Growing profit (amplified, two puts)	Put profit grows at roughly twice the rate of an equivalent rally
59,218 (lower breakeven, approx)	0	Breakeven on the downside, reached sooner due to put weighting
59,500 (at strike at expiry)	-8,475	Max loss; all three options expire worthless
60,065 (upper breakeven, approx)	0	Breakeven on the upside
Well above 60,065	Growing profit (standard, one call)	Call profit grows linearly with the rally

The strip strategy Bankex payoff table illustrates the bearish tilt clearly: the lower breakeven is reached with a smaller downside move than the upside move needed to reach the upper breakeven, and profits accelerate faster below the strike than above it.

Greeks for the This options approach

Delta: The strip strategy Bankex starts with a net negative delta at entry, reflecting the two puts against one call, unlike a standard straddle which starts closer to delta neutral.

Gamma: The strip strategy Bankex is long gamma on both sides, but more strongly so on the downside given the extra put, benefiting disproportionately from a large decline.

Theta: Theta decay works against the strip strategy Bankex, and more so than a standard straddle since three options are decaying rather than two, increasing the total cost of time passing without a move.

Vega: The strip strategy Bankex is long vega across all three legs, benefiting from a rise in implied volatility after entry, with the effect proportionally larger than a standard straddle due to the extra option.

When the Strip Strategy Bankex May Be Considered

The strip strategy Bankex may be considered when a trader expects a large move in the index and has a bearish lean on the direction of that move; ahead of an event where a downside surprise is considered more likely than an upside one, while still wanting some upside protection; or as an alternative to an outright long put when some participation in an upside move is also desired.

When NOT to Use the Strip Strategy Bankex

Consider avoiding the strip strategy Bankex when you have no directional lean, in which case a standard straddle may be more cost efficient; when you expect a large upside move specifically, in which case a strap strategy weighted toward calls would be more appropriate; or when the higher cost of three options relative to a two leg straddle does not fit your budget for the position.

Risk Management

The strip strategy Bankex has limited defined risk equal to the total net debit paid. Because it costs more than a standard straddle, traders should set an explicit loss exit rule and reassess the position if the expected large move and bearish bias do not materialise within the relevant timeframe, since theta decay across three options accrues faster than on a two leg straddle.

Transaction Costs

The strip strategy Bankex involves three option legs, each with its own transaction costs. Brokerage, exchange transaction charges, STT, GST, SEBI charges, stamp duty, bid ask spread impact, and slippage on three legs at both entry and exit should be weighed against the amplified downside participation the strategy offers.

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Strip vs Other Bankex Large Move Strategies

Strategy	Directional Bias	Legs	Relative Cost	Complexity
Strip	Bearish (2 puts to 1 call)	3	Higher than straddle	Medium
Strap	Bullish (2 calls to 1 put)	3	Higher than straddle	Medium
Straddle	None, neutral	2	Standard	Low Medium

The strip strategy Bankex sits alongside the strap strategy as directional variants of the standard straddle, with the strip weighted toward downside participation and the strap weighted toward upside participation.

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Conclusion

The strip strategy Bankex is a directional variant of the long straddle, suited to traders who expect a large move in the index with a bearish lean on the direction. The added cost of the third option leg should be weighed against the benefit of amplified downside participation compared to a standard straddle. Always verify current lot size (15 units from January 2026) and expiry schedule before executing any trade, and consult a SEBI registered investment advisor if you are new to multi leg options strategies.

Frequently Asked Questions

What is the strip strategy Bankex?

Ans. The strip strategy Bankex buys one at the money call and two at the money puts on the same strike and expiry, creating a weighted straddle that profits more from a downside move than an equivalent upside move.

How does the strip strategy Bankex differ from a strap strategy?

Ans. The strap strategy weights the payoff toward the upside using two calls and one put. The strip strategy Bankex does the reverse, using two puts and one call to weight the payoff toward the downside.

What is the maximum loss in the strip strategy Bankex?

Ans. The maximum loss is the total net debit paid for all three options, multiplied by the lot size, occurring if the index closes exactly at the strike at expiry.

Why does the strip strategy Bankex cost more than a standard straddle?

Ans. Because it involves buying three options (one call and two puts) rather than two (one call and one put), the strip strategy Bankex requires a larger total premium outlay than a comparable straddle.

What is the current lot size for Bankex options?

Ans. The Bankex lot size is 15 units effective from January 2026, reduced from 20. Always verify the current lot size on nseindia.com before placing any order.

Is the strip strategy Bankex suitable for beginners?

Ans. The strip strategy Bankex has limited defined risk, making it relatively accessible, but understanding why the payoff is weighted toward the downside and the added theta decay cost of a third option is important before using it.