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Understanding Bull Put Spread Strategy

Nov 18, 2024

Bull Put Spread Option Strategy

Overview

  • Bull Put Spread: A limited risk strategy that profits when stock prices increase or remain above the put spread strike prices.
  • Part of four vertical spread option strategies.
  • Benefits: Limited loss potential compared to buying 100 shares of stock, higher probability of profit (over 50%).

Strategy Mechanics

  • Consists of two option transactions:
    • Sell a put option.
    • Buy a put option at a lower strike price within the same expiration cycle.
  • Reduces loss potential compared to selling a put alone.
  • Results in less profit potential due to reduced premium collection.

Example Trade

  • Stock price at entry: $90.
  • Sell 90 put for $5.09.
  • Buy 85 put for $2.84.
  • Net premium collected: $2.25.

Profit and Loss

  • Maximum Profit: Net credit ($2.25) x 100 = $225.
  • Maximum Loss: Width of the strikes ($5) - Credit received ($2.25) x 100 = $275.
  • Breakeven Price: Short put strike ($90) - Net credit ($2.25) = $87.75.

Historical Trade Example

  • Stock price at entry: $716.03
  • Options with 67 days to expiration.
  • Sell 700 put for $30.20, buy 640 put for $12.15.
  • Net credit: $18.05.
  • Max Profit: $1,805; Max Loss: $4,195.
  • Breakeven Price: $681.95.
  • Shows non-linear nature of option trading profitability.

Setup on Tastyworks Platform

  • Example with IWM (Russell 2000 ETF).
  • Choose expiration cycle, e.g., 71 days (August 2019).
  • Sell 145 put, buy 140 put for a $5 wide spread.
  • Mid price: $1.30; Max profit: $130; Max loss: $370.
  • Breakeven Price: $143.70.

FAQs

Can you close before expiration?

  • Yes, close by reversing initial trade (buy back sold put, sell bought put).

Can you hold through expiration if in the money?

  • Possible, but results in exercise/assignment fees, potential stock position.

Conclusion

  • Bull put spread provides a way to profit with limited risk.
  • High probability of profit despite lower potential returns compared to other strategies.