Moderately Bullish with Target Price
| Strategy Type | Complex Spread (Often Credit or Small Debit) |
| Market Outlook | Moderately Bullish with Target Price |
| Risk Profile | Limited downside, UNLIMITED upside risk above short strikes |
| Reward Profile | Maximum profit at short strike price |
| Time Horizon | 30-45 DTE recommended |
| Iv Environment | High IV preferred (selling more options than buying) |
| Breakeven | Lower: Long strike + net debit (if any) | Upper: Short strike + max profit / extra contracts |
| Primary Instruments | STI Index Options, DBS Options, OCBC Options, UOB Options |
| Mas Compliance | MAS regulated; retail trading permitted with licensed broker; MARGIN REQUIRED for naked portion |
| 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; limited weekly options |
| 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 |
Traders accept this risk because: (1) they have a specific price target and don't believe the underlying will exceed it, (2) the entry can be done for zero cost or credit, (3) they plan to actively manage and close before losses accumulate. The key is having a strong thesis about the price ceiling and disciplined risk management.
In a ratio spread, you have a long call that covers the first short call - only the extra short call(s) are naked. A 1:2 ratio has 1 covered short call and 1 naked short call. This means you profit from a moderate rise (unlike naked calls which lose immediately on any rise) and only face unlimited risk above the upper breakeven.
It depends on your entry cost. If done for a credit, you keep that credit if the stock falls (profit). If done for a debit, you lose that debit if the stock falls below your long strike. The downside risk is limited and known at entry - it's the upside that has unlimited risk.
Margin is required for the naked portion. In a 1:2 ratio, one short call is covered by the long call, but the second short call is naked and requires margin similar to selling a naked call. Check with your broker - margin requirements vary.
No. Ratio spreads require advanced understanding of Greeks, active position management, comfort with unlimited risk, and discipline to exit before large losses. Beginners should master regular vertical spreads first. Only trade ratio spreads when you fully understand the unlimited upside risk.
1:2 ratio: One naked call, moderate upside risk, smaller credit/larger debit. 1:3 ratio: Two naked calls, higher upside risk, larger credit/smaller debit. Use 1:3 only when extremely confident price won't exceed target, as two naked calls double your exposure to upside moves. Most traders stick with 1:2.
Close when: Price approaches upper breakeven, thesis is wrong, or you've captured 50-75% of max profit. Roll when: You want to give the trade more time because thesis is still valid, and you can roll for a credit or small debit. Never roll just to avoid realizing a loss if your thesis has changed.
IV crush helps your net short vega position. After events, if IV drops, your short calls lose value faster than your long call, benefiting you. This is why some traders enter ratio spreads before events - to profit from both moderate price move and IV crush. But beware of large price gaps.
Yes. Buy a call at a strike above your short strikes to create a butterfly. This caps your upside risk at the cost of the additional call. You sacrifice some profit potential but gain peace of mind. Do this if circumstances change and you're concerned about upside.
This is the nightmare scenario. You'll face immediate significant losses with no opportunity to manage. At market open, assess the situation. If the gap seems sustainable, close immediately to prevent further losses. This is why position sizing and avoiding high-risk periods (earnings, events) is crucial.
Monitor your net delta continuously. As price rises above the short strike and delta becomes significantly negative, buy delta via underlying (CFDs, futures, ETF) to offset. For example, at -0.40 delta, buy 0.40 delta worth of underlying. This locks in losses on the options but prevents further downside. It's essentially converting to a delta-neutral position.
Look for: IV rank > 50% (expensive short calls), flat or positive call skew (OTM calls not too cheap), and expected IV contraction (post-event entries or mean reversion expectations). The ideal entry is when short call IV is elevated relative to ATM IV (your long call), maximizing the credit received or minimizing debit.
Limit ratio spreads to 3-5% of portfolio given unlimited risk. Use them as income enhancement on stocks you have a thesis about. Track aggregate portfolio Greeks - ratio spreads add negative vega and potentially negative delta above short strikes. Consider them as targeted tactical positions, not core holdings.
Skip-strike ratios (e.g., buy 3200, skip 3250, sell 2×3300) make sense when: (1) You want a wider profit zone, (2) The intermediate strike has poor liquidity, (3) You're willing to accept less max profit for more safety margin above the short strike. The tradeoff is typically larger net debit or smaller credit.
Edge comes from: (1) IV overpricing the short calls relative to expected move, (2) Strong resistance at short strike limiting upside, (3) Mean reversion of IV benefiting net short vega. Backtest your thesis - if the underlying historically respects your resistance level and IV tends to overstate moves, you have potential edge. But remember, edge doesn't eliminate risk of the one time it doesn't work.
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