Put Backspread Explained  Back Spread Options Strategy
07 Aug 2019
Nilesh Jain
New Page 1
What is Put Backspread?
The Put Backspread is reverse of Put Ratio Spread. It is a bearish
strategy that involves selling options at higher strikes and buying higher number of
options at lower strikes of the same underlying asset. It is unlimited profit and limited
risk strategy.
When to initiate the Put Backspread
The Put Backspread is used when an option trader believes that the
underlying asset will fall significantly in the near term.
How to construct the Put Backspread?

Sell 1 ITM/ATM Put

Buy 2 OTM Put
The Put Backspread is implemented by selling one IntheMoney (ITM) or AttheMoney (ATM) put option and buying two
OuttheMoney (OTM) put options simultaneously of the same underlying asset with the same
expiry. Strike price can be customized as per the convenience of the trader.
Strategy

Put Backspread

Market Outlook

Significant downside movement

Upper Breakeven

Strike price of short
put /+ premium paid/ premium received

Lower Breakeven

Long put strike  Difference between
Long and Short strikes (/+) premium received or paid

Risk

Limited

Reward

Unlimited (when Underlying price <
strike price of buy put)

Margin required

Yes

Let’s try to understand with an Example:
NIFTY Current market
Price Rs

9300

Sell ATM Put (Strike Price) Rs

9300

Premium received (Rs)

140

Buy OTM Put (Strike Price) Rs

9200

Premium paid (per
lot) Rs

70

Net Premium Paid/Received Rs

0

Upper BEP

9300

Lower BEP

9100

Lot Size

75

Suppose Nifty is trading at Rs
9300. If Mr. A believes
that price will fall significantly below 9200 on or before expiry, then he can initiate Put Backspread by selling one lot of 9300
put strike price at Rs 140
and simultaneously buying two lot of 9200 put strike price at Rs 70. The net premium
paid/received to initiate this trade is zero. Maximum profit from the above example would
be unlimited if underlying asset breaks lower breakeven point. However, maximum loss would
be limited to Rs 7,500 (100*75) and it will only occur when Nifty expires at 9200.
For the ease of understanding, we did not take in to account commission
charges. Following is the payoff schedule assuming different scenarios of expiry.
The Payoff Schedule:
On Expiry NIFTY closes at

Net Payoff from 9300 Put Sold (Rs)

Net Payoff from 9200 Put Bought (Rs) (2Lots)

Net Payoff (Rs)

8700

460

860

400

8800

360

660

300

8900

260

460

200

9000

160

260

100

9100

60

60

0

9150

10

40

50

9200

40

140

100

9250

90

140

50

9300

140

140

0

9350

140

140

0

9400

140

140

0

9450

140

140

0

9500

140

140

0

The Payoff Graph:
Impact of Options Greeks:
Delta: If the net premium is paid, then the Delta would be
negative, which means any upside movement will result into premium loss, whereas a big
downside movement would result in to unlimited profit. On the other hand, If the net
premium is received from the Put Backspread, then the Delta would be positive, which means
any upside movement above higher breakeven will result into profit up to premium received.
Vega: The Put Backspread has a positive Vega, which means an
increase in implied volatility will have a positive impact.
Theta: With the passage of time, Theta will have a negative impact
on the strategy because option premium will erode as the expiration dates draws nearer.
Gamma: The Put Backspread has a long Gamma position, which means
any major downside movement will benefit this strategy.
How to manage Risk?
The Put Backspread is exposed to limited risk; hence one can carry
overnight position.
Analysis of Put Backspread:
The Put Backspread is best to use when investor is extremely bearish
because investor will make maximum profit only when stock price expires at below lower
(bought) strike.