Mirror of the long call — bearish instead of bullish. Also the workhorse hedging trade: portfolio insurance against crashes. Small cost, huge protection when needed. Deep dive: speculation vs hedging math, protective put sizing, rolling protection, tail-insurance strategies.
1. Speculation. Expect the market to fall. Buy a put; profit as it drops.
2. Hedging. Own stocks; don’t want to sell. Buy a put on the index or the stock itself as insurance.
Same instrument, completely different psychology.
Above strike: lose only the premium (flat). Below strike: profits grow as the underlying falls, one-for-one.
Sensex at ₹80,000. RBI Friday — hawkish surprise expected to hit banks. Buy 1 × 80,000 PUT expiring Thursday at ₹250.
Above 80,000: full loss of ₹5,000 (flat red). Below break-even 79,750: profits accelerate — every 1,000-point Sensex drop = +₹20,000 gain.
You hold ~200 units of Nifty ETF at ₹2,500 each. Nifty at 25,000. Worried about 5-10% correction over the next month; don’t want to sell.
Buy 1 × Nifty 24,500 monthly PUT (2% OTM) at ₹120.
If Nifty drops to 23,000 (−8%):
If Nifty stays at 25,000:
If Nifty rallies to 26,000:
You bought insurance. Most months you pay premium for nothing. On the one bad month, you’re glad you had it.
Break-even = Strike − Premium
Max loss = Premium × Lot size (if underlying ≥ Strike at expiry)
Max profit = (Strike − Premium) × Lot size (if underlying goes to zero)
Profit if ITM at expiry = (Strike − Spot − Premium) × Lot size
| Strike | Premium | Delta | Best for |
|---|---|---|---|
| Deep ITM (above spot) | Highest | −0.85 | Directional bear bet; capital efficient |
| ATM | Moderate | −0.50 | Balanced speculation |
| OTM (below spot) | Cheapest | −0.15 to −0.30 | Portfolio insurance (bought cheap “just in case”) |
For hedging, most retail buy 3-5% OTM puts, monthly cycle — cheap enough to renew every month, still protect against real corrections.
For long-term portfolio hedging, roll puts monthly:
In a flat/bull year, you pay 6-12% for nothing. This is the cost of insurance.
Reframe: think of it as home insurance. Most years you pay premium and nothing happens. On the one year the house catches fire, you’re glad you had it.
Instead of continuous puts, watch India VIX:
More capital-efficient than continuous rolling.
Instead of paying for puts, finance them by selling calls:
Standard for institutional portfolios. Retail equivalent: skip if you’re bullish long-term (don’t cap upside on your best assets).
Buy call AND put at same strike (Chapter 12). Profits if underlying moves sharply in either direction. Common around Nifty results, budget day, Fed meetings.
Nifty at 24,700; your 25,000 put is worth ₹350 (bought at 100).
Put worth 40% of original. Nifty barely moved.
Nifty dropped 8%; your hedge put is up 500%.
Best practice for crashing markets: rebalance the profitable hedge into cheaper stock/ETF. This is the whole point of insurance — cash out when the disaster happens.
Put approaching zero; market flat. Time to roll to next month or accept insurance was “wasted” this month.
Think of the “loss” as the insurance premium you paid. It’s not a real trading loss.
Long puts systematically underperform the underlying in bull markets — that’s the cost of protection. Judge them by crash-payoff, not month-to-month returns.
If your portfolio lost 5% less in the worst month, the puts paid for themselves for years.
For speculative long puts: same 2% rule as long calls.
For hedging protective puts: sized to cover the portfolio (roughly 1 lot per ~₹16 lakh Nifty ETF, adjust for the current lot size).
Hedge sizing: Portfolio value ÷ (Strike × Lot size) = Number of protective puts needed
Example: ₹16 lakh Nifty ETF → 16,25,000 / (25,000 × 65) = ~1 put lot
For speculation:
For hedging:
The long put is the most versatile options tool — same instrument used two completely different ways. Master both.