Brent crude futures fell by $1.65, or 2.1%, to $75.87 a barrel by 1004 GMT
Brent crude futures fell by $1.54, or 1.8 percent, to $82.17 a barrel by 1210 GMT. US West Texas Intermediate crude (WTI) futures for June, which are set to expire on Tuesday, slipped by $1.49 cents, or 1.8 percent, to $78.31.
Brent crude futures fell 64 cents, or 0.7%, to $83.07 a barrel by 0845 GMT. U.S. West Texas Intermediate crude (WTI) slipped by 64 cents, or 0.8%, to $79.16.
Brent crude futures were up 39 cents, or 0.5%, at $82.77 a barrel at 0630 GMT. U.S. West Texas Intermediate crude futures (WTI) rose 42 cents, or 0.5%, to $78.44 a barrel.
Brent crude futures for July gained 79 cents, or 0.95%, to $84.23 a barrel by 0959 GMT. U.S. West Texas Intermediate (WTI) crude for June climbed 69 cents, or 0.87%, to $79.69
Expectations that a ceasefire agreement between Israel and Hamas could be in sight have grown following a renewed push led by Egypt, even as Israeli Prime Minister Benjamin Netanyahu has vowed to go ahead with a long-promised assault on Rafah
Brent crude futures for June, which expire on Tuesday, were up 26 cents, or 0.3%, to $88.67 a barrel at 1101 GMT. The more active July contract rose 38 cents, or 0.4%, to $87.58 per barrel.
Brent crude futures for June, which expire on Tuesday, were down by 51 cents, or 0.6%, to $88.99 a barrel by 0950 GMT. The more active July contract fell 27 cents, or 0.3%, to $87.94 a barrel
Brent futures for June delivery fell $1.15, or about 1.3%, to $89.30 a barrel by 11:23 a.m. EDT (1523 GMT) while West Texas Intermediate (WTI) futures for May delivery were down $1.11 a barrel, or about 1.3%, at $84.55.
Iran launched explosive drones and missiles at Israel late on Saturday in retaliation for a suspected Israeli attack on its consulate in Syria on April 1, a first direct attack on Israeli territory that has stoked fears a wider regional conflict.
Brent crude futures edged up 6 cents, or 0.07%, to $90.44 per barrel by 1156 GMT. U.S. West Texas Intermediate (WTI) crude futures were down 2 cents or 0.02% at $86.41.
Brent crude futures for May were up $1.30, or 1.5%, at $87.39 a barrel at 1:28 p.m. EDT (1728 GMT). The more actively traded June contract rose $1.22, or 1.4%, to $86.43 at 1:28 p.m. The May contract expires on Thursday.
Front-month Brent crude futures due to expire on Thursday were 12 cents down at $86.63 a barrel by 11:59 EDT (1559 GMT) while U.S. West Texas Intermediate (WTI) crude futures was up 13 cents at $82.08.
Brent crude futures climbed $1.05, or 1.23%, to $86.48 a barrel by 1404 EDT (1806 GMT). U.S. crude futures gained $1.10, or 1.36%, to $81.73.
Brent crude futures climbed 40 cents to $85.83 a barrel by 1124 GMT while U.S. crude futures also gained 40 cents to $81.03.
Brent crude futures were down a 87 cents or 1.04% cents, at $82.10 a barrel by 11:30 a.m. ET (1630 GMT). U.S. West Texas Intermediate crude futures were down 96 cents, or 1.2%, at $77.98.
Brent crude futures were down 34 cents or 0.4% to $82.62 a barrel by 1242 GMT, while U.S. West Texas Intermediate crude futures inched down 29 cents or 0.3% to $78.84 a barrel.
Brent crude futures were down $1.89, or 2.3%, at $81.78 a barrel at 12:00 p.m. EST (1700 GMT), while US West Texas Intermediate crude futures were down $1.88, or 2.4%, to $76.73.
Brent futures dipped 22 cents or 0.26% to $83.34 a barrel by 1450 GMT. The six-month spread for Brent on Tuesday was also at its highest since October, in a sign of a tighter market.
Brent crude futures gained 87 cents, or 1.12%, to $78.86 a barrel by 10:49 a.m. CST while US West Texas Intermediate crude futures rose 88 cents, or 1.21%, to $73.68. Both contracts gained nearly 1% on Monday, rising for the first time in four sessions.
Brent futures rose $1.03, or 1.3%, to $80.58 a barrel by 12:03 p.m. EST (1703 GMT). US West Texas Intermediate (WTI) crude rose $1.31, or 1.8%, to $75.68.
Brent crude futures were up $1.17, or 1.51%, at $78.76 a barrel, while S West Texas Intermediate crude futures were up $1.62, or 2.26%, to $73.82 by 10:42 CST (1642 GMT).
EIA also said U.S. crude output rose to a record 13.3 million barrels per day (bpd) last week, up from the prior all-time high of 13.2 million bpd.
Brent crude futures were up 43 cents, or 0.5%, to $82.11 a barrel by 11:32 a.m. ET [1632 GMT]. US West Texas Intermediate (WTI) crude futures gained 49 cents, or 0.6%, at $76.90 a barrel.
Brent crude futures were down 52 cents, or 0.65%, at $80.06 a barrel by 01:17 p.m. ET (1817 GMT), while US West Texas Intermediate (WTI) crude futures lost 54 cents, or 0.7%, to $75. Both contracts lost $1 in early trading.