Moderately Bullish
| Strategy Type | Debit Spread |
| Market Outlook | Moderately Bullish |
| Risk Profile | Limited to net debit paid |
| Reward Profile | Limited to spread width minus net debit |
| Time Horizon | 2-6 weeks typical |
| Iv Environment | Low to moderate IV preferred |
| Breakeven | Lower strike + net debit paid |
| Primary Instruments | ASX 200 Index Options (XJO), BHP, CBA, CSL, NAB equity options |
| Asic Compliance | ASIC regulated; retail trading permitted with licensed broker; must have options approval level 2+ |
| Contract Size | A$10 per point for ASX200 index options; 100 shares for equity options |
| Trading Hours | 10:00 AM - 4:00 PM AEST (Pre-Open Auction 7:00 AM - 10:00 AM) |
| Expiry Options | Monthly expiries for major stocks; quarterly for index options; limited weekly options on XJO |
| Settlement | T+2 for share settlements; cash settlement for index options; American-style for equity options |
| Tax Treatment | Capital gains tax applies; 50% CGT discount for positions held 12+ months; net premium taxable on close |
| Franking Credits | Not applicable to options; only underlying shares receive imputation credits |
| Chess Sponsorship | Options held in HIN (Holder Identification Number) via CHESS; broker maintains records |
| Margin Requirements | Debit spread requires full premium payment upfront; no margin for long positions |
| Asx Code Format | Format: XXXYYMMDDCP where XXX=underlying, YY=year, MM=month, DD=day, C=call/P=put, strike |
A bull call spread costs less than a single call because the short call reduces your net debit. This lowers your breakeven point and defines your maximum risk. However, your profit is capped at the spread width. Use it when you're moderately bullish and want to reduce cost basis.
If the underlying stays below your lower strike at expiration, both options expire worthless and you lose the entire net debit paid. This is your maximum loss and it's known upfront when you enter the trade.
Yes, you can close the spread at any time before expiration by selling the long call and buying back the short call. Many traders close at 50% of max profit to lock in gains and free up capital for new trades.
In Australia, equity options are American-style (exercisable anytime), settle T+2, and trade on the ASX. Contracts are typically for 100 shares. Index options (XJO) are European-style and cash-settled. Trading hours are 10 AM - 4 PM AEST.
Since bull call spreads are debit strategies, you only need enough capital to pay the net premium. A typical spread might cost A$200-A$500 per contract. However, most brokers require minimum account sizes of A$1,000-A$5,000 for options approval.
Both are bullish strategies with similar payoffs, but bull call spreads (debit) work best in low IV environments, while bull put spreads (credit) are preferred in high IV. Also consider: debit spreads have no assignment risk on the short leg until very deep ITM, while credit spreads require margin.
It depends on your strategy. Bull call spreads before earnings can profit from the move, but IV crush post-earnings hurts debit spreads. If entering before earnings, use the expiry immediately after the announcement. Some traders wait for post-earnings entry when IV normalizes.
If your short call is ITM as ex-dividend approaches, early assignment risk increases (for American-style options). Monitor deep ITM short calls near ex-div dates. Consider closing or rolling before ex-dividend to avoid assignment complications.
21-45 DTE typically offers the best balance. Shorter durations have higher theta decay risk, while longer durations pay more time premium. For specific catalysts, choose the first expiry after the expected event.
If you want to extend your bullish position: 1) Close the current spread for profit, 2) Open a new spread with same structure but later expiry. Alternatively, just roll the short call to a higher strike while keeping the long call, though this converts your position to a diagonal.
Bull call spreads have net long vega, so they profit from IV expansion. Enter when IV Rank is low and you expect volatility to increase (before earnings, RBA meetings, etc.). The directional move is secondary - you're primarily trading the volatility expansion. Size positions based on vega exposure, not delta.
Buy bull call spreads on 3-5 individual stocks while selling a proportionally-sized bull call spread (or call) on the index. Weight by beta and vega to neutralize market exposure. You profit when stock moves exceed index moves (high dispersion/low correlation). Monitor realized vs implied correlation.
Analyze the volatility skew across strikes. If OTM calls have relatively lower IV than ATM (flat or negative skew), the short call is 'cheap' relative to the long call, making the spread more attractive. Use skew charts to identify optimal strike combinations where you buy 'fair' IV and sell 'rich' IV.
Track: win rate, profit factor, average win/loss ratio, max drawdown, Sharpe ratio, and expected value per trade. Also monitor: IV rank at entry, actual vs expected move, theta decay realization, and slippage impact. Compare performance across different entry filters and market regimes.
For downside protection: buy OTM puts on the underlying or long XJO puts for portfolio protection. For volatility hedging: short A-VIX futures or use VIX call spreads to hedge vega. For gamma protection near expiry: close positions early or add offsetting butterfly to reduce gamma.
Full guided lessons, quizzes, and a complete strategy library for the Australia market. One-time purchase. No subscription, ever.
Get Australia access →