BOSS

Bear Call Spread

Description

Selling a lower-strike call and buying a higher-strike call in the same expiry, collecting a net credit that is kept in full if the underlying stays below the lower strike.

Setup

  1. Sell one call at a lower strike.
  2. Buy one call at a higher strike, same expiry, to cap the risk.

Context

A common income trade for a trader who is neutral to bearish and wants defined risk instead of a naked short call.

Risk Profile

Maximum gain is the net credit collected. Maximum loss is the difference between strikes minus that credit, realized if the underlying finishes at or above the higher strike.

Pros

  • Collects premium up front.
  • Defined, capped risk unlike a naked short call.
  • Profits even if the underlying stays flat or falls.

Cons

  • Maximum gain is limited to the credit received.
  • Still loses money on a sharp rally through both strikes.

Effect of Time

Time decay favors the position while the underlying stays below the short strike, where the short call holds more time value than the further out-of-the-money long call; above the long strike it works against the position.

Effect of Volatility

The spread's net vega is small; both legs move together, muting the effect of a change in implied volatility.

Look-Alike Strategies

Live Structure

Saves the structure above, at the execution prices on screen, to Paper trading in this browser.

Live
Index price: $74881.7500
Position?Right?RatioStrikeExpiryIV?Premium?Fill Price?Liquidity?Est. Fee?
Short Call 1 $74000.0000 20 Nov 2026 39.2% $2512.6933 $2475.1904 33.7000 $22.5017
Long Call 1 $76000.0000 20 Nov 2026 38.2% $1500.1154 $1537.6183 126.7000 $22.5017
Max Profit?$892.5687
Max Loss?-$1107.4313
Prob. of Profit?50%
Max Profit / Max Loss?0.81×
DTE?10
Net Cost?-$892.5687
Delta?-0.1617
Gamma?0.0000
Vega?0.6597
Theta?1.1526
Rho?-3.1748
Breakeven(s)? $74892.5687

Net cost, breakevens, the payoff chart and the scenario table are after costs: every leg filled by crossing the spread, estimated fees included -- the same numbers the Scanner ranks by.

Estimated Cost to Assemble

An estimate of what entering this structure right now would really cost: filling every leg by crossing the spread (the ask when buying, the bid when selling) instead of at the mid-price, plus an estimated exchange fee. Real fees and fills can differ from this estimate.

Mid-Price Cost-$1012.5779
Slippage?+$75.0058
Execution Cost-$937.5721
Estimated Fees?+$45.0035
Total Estimated Cost-$892.5687

Compare venues

These exact contracts -- same strikes, expiries and ratios -- on every venue BOSS tracks for this currency, at execution: what selling (bid) or buying (ask) each leg there comes to, after that venue's own fee. Green marks the best venue for each leg and for the whole structure.

Deribit this pageBybitOKX
Index?$74881.7500$74973.4017$74883.1000
Mid-Price Cost-$1012.5779-$1047.5000-$1012.6844
Slippage?+$75.0058+$7.5000+$37.5068
Estimated Fees?+$45.0035+$45.0862+$45.0082
Total Estimated Cost-$892.5687-$994.9138$102.3500 better than this page-$930.1694$37.6000 better than this page
Max Profit?$892.5687$994.9138$930.1694
Max Loss?-$1107.4313-$1005.0862-$1069.8306
Breakeven(s)?$74892.5687$74994.9138$74930.1694
Structure IV?38.7%38.3%38.4%
Open on this venue →Open on this venue →

Each leg: what it nets there per contract (fill price with the fee folded in), then the fill price, fee, IV and the size quoted at that price.

Pro Per-leg prices and the best venue for each leg are BOSS Pro. See what Pro includes

For comparing prices, not a recommendation: quotes move by the second, size is only what's shown at the top of the book, fees are each venue's published estimate, and the venues settle against different indexes and margin separately.

Market Context

This expiry as the Dashboard sees it: how the legs are priced against at-the-money and realized volatility, and where the expiry's forward sits against spot.

Structure IV?38.7%
ATM IV (this expiry)?38.5%
RV 7d?55.7%
IV − RV?-17.2
Forward?$75005.9300
Basis?+0.166% (+5.8% /yr)

Volatility Smile?

Implied volatility across strikes at this expiry; the marked lines are this structure's strikes. Buying on the high part of the curve pays up for volatility; selling there collects it.

Leg bought Leg sold

Payoff & Greeks vs. Underlying Price

The Greeks curves are a Black-Scholes model using each leg's current implied volatility, holding time to expiry fixed -- not live exchange data at every price, which only exists at the current price (dashed line).

Payoff at Expiration

After costs At mid price

This structure's value and profit/loss at expiration, at a handful of specific prices: every leg's strike, every breakeven, the current spot, and the chart's own range.

Underlying PriceValue at ExpirationProfit / LossReturn on Cost
$72000.0000 $0.0000 $892.5687 +100.0%
$74000.0000 $0.0000 $892.5687 +100.0%
$74892.5687 breakeven -$892.5687 $0.0000 +0.0%
$75005.9300 current -$1005.9300 -$113.3613 -12.7%
$76000.0000 -$2000.0000 -$1107.4313 -124.1%
$78000.0000 -$2000.0000 -$1107.4313 -124.1%

Delta (model)?

Gamma (model)?

Vega (model)?

Theta (model)?

Rho (model)?

Alternatives

From the Scanner's latest pass (21:31:48 UTC), priced at execution like everything above.

Same payoff through other strategies

Strategy Market vs. this one Credit/Debit Max Profit? Max Loss? Prob. of Profit? Max Profit / Max Loss?
Bear Put Spread74000/76000 Bybit · BTC $97.3539 $1010.0774 $989.9226 -$1010.0774 50% 0.98×
Bear Put Spread74000/76000 OKX · BTC $87.2931 $1020.1382 $979.8618 -$1020.1382 51% 0.96×
Bear Put Spread74000/76000 Deribit · BTC $12.4172 $1095.0142 $904.9858 -$1095.0142 51% 0.83×

Other strikes and widths of this strategy

Strategy Market vs. this one Credit/Debit Max Profit? Max Loss? Prob. of Profit? Max Profit / Max Loss?
Bear Call Spread77000/79000 Deribit · BTC — -$442.5031 $442.5031 -$1557.4969 70% 0.28×
Bear Call Spread76000/80000 Deribit · BTC — -$967.5068 $967.5068 -$3032.4932 67% 0.32×
Bear Call Spread76000/78000 Deribit · BTC — -$592.5020 $592.5020 -$1407.4980 64% 0.42×
Pro "If opened N days ago" is BOSS Pro. See what Pro includes