FX_IDC:USDWTI   U.S. DOLLAR / WTI CRUDE OIL
The stars are representing the API usually it happens in 6am AEST, so I've tried to match these up to the times on graphs.
In most instances its pretty clear that the API report has a big effect on price.

More Supply = Cheaper Oil Price
Less Supply = More expensive Oil Price

As I write this, OPEC have banded together to cut produce, which should yield a large rise.

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