Moderately Directional - Expecting Move to Specific Target Zone
| Strategy Type | Debit or Credit Spread (Directional with Limited Profit Zone) |
| Market Outlook | Moderately Directional - Expecting Move to Specific Target Zone |
| Risk Profile | Limited on one side; can be significant or unlimited on the other (depending on structure) |
| Reward Profile | Limited maximum profit at middle strike(s) |
| Time Horizon | 30-45 DTE recommended |
| Iv Environment | Moderate IV preferred; high IV helps if selling premium heavy |
| Breakeven | Complex - typically one or two breakeven points depending on structure |
| Primary Instruments | STI Index Options, DBS Options, OCBC Options, UOB Options |
| Mas Compliance | MAS regulated; retail trading permitted with licensed broker; check margin for uncapped versions |
| Contract Size | S$5 per point for STI; 1,000 shares for equities; 100 shares for ETFs |
| Trading Hours | 9:00 AM - 5:00 PM SGT (Pre-Open 8:30 AM - 9:00 AM) |
| Expiry Options | Monthly expiries; weekly options limited availability |
| Settlement | T+2 for shares; T+1 for SGX derivatives |
| Tax Treatment | No capital gains tax for individuals in Singapore |
| Stamp Duty | 0.2% on share purchases (buyer and seller each); options exempt |
| Cdp Account | Central Depository (CDP) account required for share ownership; not needed for options |
Related but different. Both involve selling more options than buying, but a ratio spread uses only two strikes (e.g., Buy 1 ATM call, Sell 2 OTM calls at same strike), while a Christmas tree uses three strikes with the two shorts at DIFFERENT strikes. The Christmas tree has a wider, flatter profit zone.
Yes, sometimes. It depends on IV levels and how close the short strikes are to current price. Credit entry is more achievable but increases the extended risk on the far side. If entering for credit, be extra vigilant about risk management on the extended side.
If price gaps beyond your far short strike, you're immediately in the extended risk zone and facing losses that increase as price continues that direction. This is why Christmas trees are risky around earnings and other events. Consider using the capped version (with wing) around events.
Use calls if bullish (call Christmas tree), puts if bearish (put Christmas tree). The mechanics are identical but flipped. Call trees have extended risk on the upside; put trees have extended risk on the downside. Choose based on your directional view.
A butterfly has symmetric risk (defined on both sides) with max profit at a single middle strike. A Christmas tree has asymmetric risk (defined one side, extended the other) with max profit across a zone between the short strikes. Trees are cheaper to enter but have more risk.
For a call tree bought for debit: Lower breakeven = Long strike + Debit paid. Upper breakeven is more complex - it's where the loss from beyond the short strikes equals the profit from the structure. Approximately: Far short strike + (Max profit - Initial debit). Use an options calculator for precision.
Three main approaches: 1) Close entirely if loss at stop level, 2) Add a wing to cap extended risk (convert to capped tree), 3) Roll the far short strike further out if still early. Adjustments are difficult because you're managing three legs. Often closing is cleanest.
Choose Christmas tree when: 1) You want lower cost of entry, 2) You have a specific target zone (not just 'higher'), 3) You can accept and manage extended risk, 4) You want wider profit zone than vertical. Choose vertical for simplicity and defined risk.
Time decay (theta) works against you when price is below profit zone (long option losing value). Time decay works for you when price is in profit zone (short options losing value faster). This is why you want price to move into the profit zone and stay there as expiration approaches.
Yes, but risky. You might start with the long call, then sell the near short when price rises, then the far short. The risk is price movement between legs creating unintended exposure. Better to enter as a package unless very experienced. Some traders enter the two short strikes first if they expect a rally.
For call trees, normal skew (OTM calls lower IV) makes short calls relatively cheaper - you get less premium but lower effective vol. For put trees, put skew (OTM puts higher IV) makes short puts relatively more expensive - you collect more premium. Put trees often structure better for credit because of skew.
As expiration approaches, you want price IN the profit zone where your gamma is moderate. Gamma becomes extremely negative at the short strikes near expiration. If price is between short strikes, gamma is less extreme. If at either short strike, gamma is maximum negative and position is unstable. Exit before 14 DTE unless very comfortably between strikes.
Short ITM calls face early assignment risk before ex-dividend. If your short calls are ITM as ex-dividend approaches, you may be assigned. Options: 1) Close before ex-dividend, 2) Roll to later expiration, 3) Accept assignment and manage resulting position. Monitor all short calls for assignment risk.
Diagonal trees (different expirations) make sense when: 1) Term structure favors selling near-term premium (contango), 2) You want longer time for the directional move but want near-term premium, 3) Rolling is part of your strategy. Complexity is high - Greeks are harder to manage and must account for different theta/vega.
Size based on worst-case extended loss, not just the debit paid. Calculate: if price moves 2× the distance from current price to far strike, what's your loss? Size so this worst-case is 2-3% of portfolio maximum. Also consider correlation - multiple Christmas trees can all go wrong in trending markets.
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