✅ FX Options Market Summary (December 18)

✅ FX Options Market Summary (December 18)

18 12月 2025, 10:12
Masayuki Sakamoto
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✅ FX Options Market Summary (December 18)

■ Spot Prices (Reference Levels)

  • EUR/USD 1.1744

  • USD/JPY 155.84

  • GBP/USD 1.3366

  • USD/CHF 0.7949

  • USD/CAD 1.3774

  • AUD/USD 0.6605

  • NZD/USD 0.5762

  • EUR/GBP 0.8784

■ Currency-by-Currency Options Landscape

🔵 EUR/USD

Key Zone: 1.1750 – 1.1800 (Very Large Strikes)

  • Dec 18

    • 1.1750 (€3.0bn)

    • 1.1800 (€2.6bn)

  • Dec 19

    • 1.1800 (€3.3bn)

    • 1.1900 (€2.6bn)

Implications

  • Spot is sitting inside a massive option cluster

  • Moves in either direction are likely to be
    👉 pulled back toward 1.1750–1.1800

  • Even after ECB / CPI events, the pair is prone to range trading

Strategy

  • Favor mean-reversion over trend-following

  • Upside likely capped unless 1.1800 breaks decisively


🔵 USD/JPY

Mega Cluster Between 153 and 158

  • Dec 18

    • 155.00 ($3.5bn)

    • 156.00 ($3.2bn)

    • 157.00 ($4.3bn)

  • Dec 19

    • 153.00 ($3.3bn)

    • 155.00 ($2.4bn)

    • 158.00 ($2.3bn)

Implications

  • 155–157 is a strong option “magnet”

  • Ahead of the BOJ meeting,
    👉 sharp moves are likely to be absorbed

Strategy

  • Above 156: beware of stop runs followed by fade

  • Prior to BOJ, focus on short-term rotations, not breakouts


🔵 GBP/USD

  • Dec 18: 1.3400 (£575m)

  • Dec 19: 1.3200 (£939m)

Implications

  • Option strikes are widely spaced
    event-driven volatility risk

  • After BOE, price action may gravitate back toward strikes

Strategy

  • Avoid chasing the initial BOE move

  • Look for exhaustion and reversal setups


🔵 USD/CHF

  • Dec 18: 0.7800 ($751m)

  • Dec 19

    • 0.7900 ($900m)

    • 0.8000 ($545m)

    • 0.8100 ($740m)

Implications

  • 0.79–0.80 forms a heavy congestion zone

  • CHF tends to resist directional dollar moves


🔵 USD/CAD

Heavy Resistance Zone: 1.3825 – 1.3900

  • Dec 18

    • 1.3600 ($562m)

  • Dec 19

    • 1.3825 ($2.9bn)

    • 1.3850 ($1.9bn)

    • 1.3900 ($2.0bn)

Implications

  • Upside is well defended

  • Without a strong oil-driven catalyst,
    👉 rallies into the 1.38s are likely to fail


🔵 AUD/USD

Main Battleground: 0.6500 / 0.6675 / 0.6700

  • Dec 18

    • 0.6550 (AUD 1.4bn)

    • 0.6650 (AUD 1.2bn)

    • 0.6675 (AUD 1.1bn)

  • Dec 19

    • 0.6500 (AUD 1.4bn)

    • 0.6675 (AUD 1.3bn)

    • 0.6700 (AUD 1.6bn)

Implications

  • 0.6675–0.6700 is a critical resistance band

  • Even in risk-on conditions,
    👉 a clean breakout is difficult

Strategy

  • Near 0.67:
    profit-taking and short-term fade opportunities


🔵 NZD/USD

  • Dec 18

    • 0.5650 / 0.5690

  • Dec 19

    • 0.5600 / 0.5630

Implications

  • Options concentrated on the downside

  • Downside is cushioned, but upside remains limited


🔵 EUR/GBP

  • Dec 18

    • 0.8650 / 0.8700

  • Dec 19

    • 0.8800 (€1.4bn)

Implications

  • 0.88 is the key defensive line

  • After BOE/ECB, price may
    👉 gravitate toward 0.88 or reverse lower


■ At-a-Glance Key Takeaways

  • EUR/USD: Massive strikes layered at 1.1750–1.1800

  • USD/JPY: 153–158 dominated by option flows

  • AUD/USD: 0.6500, 0.6675, 0.6700 define the battlefield

  • USD/CAD: 1.3825–1.3900 is a heavily armored zone


■ Overall Assessment

This is not a market for strong directional conviction ahead of the BOJ.

  • Options are actively
    👉 dampening price momentum

  • Effective approaches:

    1. Fade extended moves

    2. Trade rejection around option-heavy zones

The optimal timing for trend judgment comes
👉 after the BOJ meeting.