(Adds coding for topics and RICS)

• EUR/USD rises from 1.1105 on Thursday to 1.1215 EBS on Friday

• US 10-year yield drops to 4.92%

• Spread with Germany narrows to 159bps, tightest since late Sep

• Traders were heavily short euros in advance ECB meeting

• Drop was stretched at base Bollinger bands

• Bigger rise toward 1.1248 or 1.1336 correction targets possible

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EURUSD

(Jeremy Boulton is a Reuters market analyst. The views expressed are his own)