Since it's all time high we can see that Bitcoin formed a very long symmetrical triangle and price has always been rejected when it touched tops of the triangle formation. A breakout of the triangle would give us a very important signal that Bitcoin may have enter the early phase of it's new bull market. Accordingly to your trading strategy you can:
Less risky strategy: *Wait for the breakout of the triangle formation *Wait for a new consolidation on new highs *Buy IF price breaks new consolidation
More risky strategy: *Buy IF price breakout the triangle formation (50% of your investment) *Wait for a new consolidation on new highs *Buy IF price breaks new consolidation (50% of your investment)