• FX option strikes expire at 10am New York/14:00 GMT on Friday August 21

• EUR/USD: 1.1600 (1.1BLN), 1.1625 (895M), 1.1640-50 (1.2BLN), 1.1685 (1.2BLN), 1.1700 (435M), 1.1715 (519M), 1.1800 (1.4BLN)

• USD/CHF: 0.7925 (300M). GBP/USD: 1.3590-1.3600 (200M)

• AUD/USD: 0.7100 (450M), 0.7125 (302M). AUD/NZD: 1.1980 (142M), 1.2000 (200M)

• USD/CAD: 1.3800 (220M), 1.3850 (440M). EUR/JPY: 181.90-95 (1.5BLN)

• USD/JPY: 158.00 (614M), 158.50 (264M), 159.00 (901M), 159.40-50 (439M), 159.75 (207M)

• FX options wrap - USD put demand drives price action (Richard Pace is a Reuters market analyst. The views expressed are his own)