$BTC update, Bitcoin has fallen to 89,000.00, we can expect a drop of up to 88,000.00 to 87,9000 in the long term. A rise can be expected from 92,000.00 to 94,000.00 (this after the predicted drop)

accuracy of prediction: 15%

best time to buy: yes, just your 10% wait for a confirmed drop; your 10% can serve as profit and at the same time as a defense.