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Research & education only — not financial advice.TENK is not a registered investment adviser; calls are impersonal, generated from SEC filings and a delayed/third-party price feed, and may be wrong or out of date. The operator and an affiliated trading operation may hold or trade the securities TENK rates — see Disclosures. Do your own research.

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TTENK/calls
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Home›Options calculator›Bull put spread

Bull put spread calculator

income

Sell a put and buy a further-out-of-the-money put below it. The net credit is kept if the stock stays above the short strike; the long put caps the downside. One of the most-traded income structures.

Underlying (optional)
Market inputs

Premiums start as Black-Scholes model values — overwrite them with your broker’s real quotes for exact numbers.

Legs
1 contract = 100 shares
Net credit
$156
Max profit
$156
Max loss
−$544
Breakeven
95.44
Profit / loss at expiry
at expiry today (model)
45spot 100.00160
Delta
23.5
shares-equivalent
Gamma
-2.24
Δ per $1
Theta / day
$2.47
time decay
Vega / 1%
−$5.54
per vol point
P&L by price and date (Black-Scholes, IV 30%)
pricetoday+4d+8d+11d+15d+19d+23d+26dexpiry
130.0156156156156156156156156156
125.0156156156156156156156156156
120.0154155156156156156156156156
115.0149152154155156156156156156
110.0133139144148152155156156156
105.089100110119131142152155156
100.001023345275103130156
95.0-143-140-135-132-125-115-100-82-44
90.0-309-316-326-334-348-368-396-430-544
85.0-443-454-467-478-494-511-529-540-544
80.0-514-521-527-532-537-541-543-544-544
75.0-537-539-541-542-543-543-543-544-544
70.0-541-542-542-542-543-543-543-544-544

Dollar P&L for the whole position. Pre-expiry cells are model values (constant IV); real marks will differ with volatility and skew.

Other strategies

  • Long call
  • Long put
  • Covered call
  • Cash-secured put
  • Bull call spread
  • Bear put spread
  • Iron condor
  • Long straddle
  • Long strangle
  • Collar
  • Bear call spread
  • Butterfly spread (calls)
  • Iron butterfly
  • Protective put
  • Short straddle
  • Short strangle
  • Call condor
  • Butterfly spread (puts)
  • Call ratio backspread
  • Put ratio backspread
  • Jade lizard

Common questions

What is the max profit on a bull put spread?
The net credit received, kept in full when the stock finishes at or above the short put's strike at expiry.
What is the max loss on a bull put spread?
The distance between the strikes minus the credit, times 100 per spread — reached if the stock finishes at or below the long put's strike.
Bull put spread vs cash-secured put?
Both are bullish premium sellers, but the spread's long put defines the risk and needs far less capital; the trade-off is a smaller credit.

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Educational model, not trade advice. Options involve substantial risk and are not suitable for every investor — read the OCC’s Characteristics and Risks of Standardized Options. Model values use Black-Scholes with your inputs (constant volatility, European exercise, no dividends) and will differ from live market prices.

Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.