July 23 (Reuters) - The cash hedging of soon-to-expire FX option strikes can have a magnetic effect on FX price action and add to nearby support/resistance, with the most recent currency movements bringing some big strikes in to play.

There are 1.1 billion euros ($1.19 billion) of EUR/USD strikes at 1.0875-85 and $787 million USD/JPY strikes at 155.85 expiring at 10-am New York Tuesday July 23. There are more USD/JPY strikes expiries on Wednesday at 156.00-05 on $2.5 billion, 155.50 on $750 million and 155.00 on $2 billion. Friday has $1 billion at 155.30-35. FX option price action has been highlighting the downside risks to USD/JPY of late.

There's a huge A$1.6 billion 0.6600 AUD/USD strike expiry on Wednesday, while USD/CAD has $1 billion between 1.3640-50 and $1 billion between 1.3660-75 on Thursday.

Larger GBP/USD strikes are on Wednesday at 1.2950 on 450 million pounds ($580.14 million), Thursday at 1.2980 on 400 million pounds and on Friday at 1.2970 on 813 million pounds. EUR/GBP has 1 billion euros at 0.8355 expiring on Thursday and 940 million euros between 0.8400-20 expiring on Friday.

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($1 = 0.9210 euros)

($1 = 0.7757 pounds)

(Richard Pace is a Reuters market analyst. The views expressed are his own)

((Richard.Pace@thomsonreuters.com))