Every hedge is an insurance policy, and like all insurance, it costs money to carry and pays off only when the bad event actually happens. The goal of hedging a trading account with options isn't to eliminate risk — it's to make specific, known risks tolerable so you can stay invested through volatility instead of panic-selling.
Protective Puts
The simplest hedge: buy a put against a stock or portfolio you hold. If the market crashes, the put's gains offset the portfolio's losses beyond the strike. The cost is the premium — an ongoing drag if the crash never comes, exactly like unused car insurance.
Hedged Portfolio Value at Expiry = Portfolio Value + max(Put Strike − Spot, 0) − Premium PaidCollars: Financing the Insurance
A collar buys a protective put and sells a covered call against the same holding, using the call premium to offset (or fully fund) the put's cost. This caps upside in exchange for cheap or free downside protection — a common approach for large concentrated stock positions.
| Hedge Type | Cost | Upside Impact | Best For |
|---|---|---|---|
| Protective put | Premium paid (ongoing) | None — full upside retained | Wanting full upside with a downside floor |
| Collar | Low/zero net cost | Capped by short call strike | Concentrated positions, low-cost protection |
| Put spread hedge | Lower premium than a single put | None | Budget-conscious partial protection |
Put Spread Hedge
Buying a put and selling a further OTM put against it (a bear put spread used defensively) reduces the hedge's cost in exchange for capping the protection at the lower strike. This suits traders who want to insure against a moderate correction, not a full-blown crash, at a lower cost.
Hedging a Trading Account, Not Just a Stock
For a diversified portfolio, index puts (SPX, SPY) or futures options are more practical than hedging each individual position. Size the hedge to the portfolio's beta-weighted delta exposure, not its dollar value, so the protection actually offsets the account's real market sensitivity.
Hedge Contracts Needed ≈ (Portfolio Value × Portfolio Beta) / (Index Price × Contract Multiplier)A prop trader running a 6-figure funded account might spend 0.5-1% of account value per quarter on tail-risk puts around major macro events (FOMC, CPI, elections) — treating it as a fixed cost, not a trade to be timed perfectly.
Constantly buying protective puts on every position, regardless of market conditions, can cost more in cumulative premium than the crashes it protects against — especially in the long, grinding bull markets that make up most of trading history.
The best hedging discipline treats options as a targeted tool for specific, identifiable event risk — earnings, macro releases, concentrated position risk — rather than a permanent, blanket cost applied to every position regardless of context.