Two weeks ago you bought NIFTY 24,800 CE for ₹210, expecting a rally. NIFTY drifted to 24,750 and your call is now worth ₹62 — down 70%. The common reaction: stop-loss, take the L, move on. The smarter reaction: convert to a bull call spread and dramatically improve your break-even.
This playbook shows the exact math of long call repair and when to use it.
1. When to Repair vs Close
Repair if ALL true
- Directional thesis still valid (just slower than expected)
- Long call lost 40-70% of value (not yet near zero)
- At least 14 DTE remaining
- You can sell a higher strike for 40%+ of remaining long call cost
Just close if: thesis broken, less than 7 DTE, long call already worth <₹5, or you don't want to extend the trade.
2. The Conversion Mechanics
The mechanics are dead simple:
Sell 1 higher-strike call
Against your existing long call, sell a call at a higher strike (typically 100-200 pts OTM). This creates a bull call spread. The short call's credit offsets your long call's paper loss.
3. Live NIFTY Example
Original · NIFTY 24,800 CE at ₹210, lot 25, 28 DTE
Two weeks later · 14 DTE remaining · NIFTY 24,750
Original cost₹210 × 25 = ₹5,250
Current value₹62 × 25 = ₹1,550 (down ₹3,700)
Current unrealized P&L-70%
Repair trade · Sell NIFTY 25,000 CE at ₹28
Converts to Bull Call Spread 24,800 / 25,000
Sell 25,000 CE+₹28 × 25 = ₹700 credit
New net position cost basis₹210 - ₹28 = ₹182 per share (down from ₹210)
New breakeven24,800 + 182 = 24,982 (down from 25,010)
New max profit (if NIFTY > 25,000)(200 - 182) × 25 = ₹450
New max loss₹182 × 25 = ₹4,550 (less than original unlimited long)
Better breakeven, capped profit, defined loss. If NIFTY reaches 25,000 by expiry, you break even. If NIFTY stays at 24,750, you've recouped ₹700 from the sold call — reducing realized loss from ₹3,700 to ₹3,000.
4. Trade-offs
You gain: Lower breakeven, reduced loss, defined max loss.
You give up: Unlimited upside. If NIFTY rallies to 25,500, you only capture to 25,000.
The calculus: If you think NIFTY will grind to 25,000 but not beyond, the repair wins. If you expect 25,500+, hold the original or close it.
Build repair strategies in Strategy Lab
Visualize the new payoff before you execute the trade.
Open Strategy Lab →Frequently Asked Questions
When should I convert a long call to a spread?
Convert when: (1) the long call has lost 50-70% of its value, (2) you still believe in directional thesis (just slower timeline), (3) the call has at least 14 DTE remaining. Don't convert if thesis is broken or DTE is too short — just accept the loss.
How does the conversion work?
You sell a higher-strike call against your existing long call to create a bull call spread. The credit from the short call offsets some of the long call's losses, effectively lowering your breakeven. You give up unlimited upside in exchange for recovering some premium.
What strike should I sell?
Sell a strike that collects 40-60% of your long call's remaining cost. This typically means selling 100-200 points above your long strike (for NIFTY). Too close = too little benefit; too far = not enough credit to matter.
What's the trade-off?
You cap your maximum profit at the spread width minus remaining debit. But you lower your breakeven by the credit received. For a ₹210 long call now worth ₹62, selling a 200-point-higher call at ₹28 reduces breakeven by 28 points and caps max profit at (200 - 82) = ₹118.
Can I do this multiple times?
Yes, but diminishing returns. Each additional 'leg adjustment' costs in transaction fees and makes the position harder to manage. Maximum 1-2 adjustments per long option. More than that is over-managing.
Is this the same as a 'repair strategy'?
Yes, and similar repair techniques exist for long puts (convert to bear put spread), losing covered calls (roll up and out), and iron condors (convert untested side). The general principle: use the position you already hold as one leg of a new defined-structure.
Track position adjustments
F&O Operations tab shows every leg, every adjustment, running P&L.
Start Free →