Nope. The past 2 days the song has benefited from the AT40 countdown (hence the bigger update on Monday) and her iheartradio album listening session (today's bigger update). You'll have to wait and see if the song keeps these big updates to know for sure.
"You'll have to wait and see". I'm having nightmares with this sentence since Britney started doing those interviews.
1. AVICII Wake Me Up: 178.204 (- 0.830)
2. LORDE Royals: 171.653 (- 1.584)
3. IMAGINE DRAGONS Demons: 158.445 (+ 0.786)
4. DRAKE Hold On Were, Going Home: 156.273 (- 1.024) 5. EMINEM The Monster f/Rihanna: 152.823 (+ 2.327) 6. MILEY CYRUS Wrecking Ball: 139.014 (- 1.442) 7. ONEREPUBLIC Counting Stars: 136.554 (+ 1.276)
8. KATY PERRY Roar: 100.852 (- 1.949)
9. LADY GAGA Applause: 87.726 (- 0.666)
10. JAY Z Holy Grail f/Justin Timberlake: 85.085 (- 1.362)
11. KATY PERRY Unconditionally: 84.750 (- 0.802)
12. PITBULL Timber f/Ke$ha: 82.845 (+ 0.949)
13. PASSENGER Let Her Go: 72.759 (+ 0.490) ▲
14. ZEDD Stay The Night f/H. Williams: 72.742 (+ 0.160) ▼
15. JOE NICHOLS Sunny And 75: 66.341 (- 0.128)
16. KEITH URBAN & MIRANDA LAMBERT We Were Us: 64.973 (- 0.048) ▲
17. SELENA GOMEZ Slow Down: 64.367 (- 1.564) ▼
18. ROBIN THICKE Blurred Lines f/Pharrell & T.I: 63.802 (- 0.728)
19. CHRIS BROWN Love More f/Nicki Minaj: 61.689 (+ 0.095) ▲
20. PARMALEE Carolina: 61.522 (- 0.094) ▼
MACKLEMORE & RYAN LEWIS White Walls f/ScHoolboy Q: 60.085 (+ 0.486)
NEIGHBOURHOOD Sweater Weather: 59.568 (+ 0.804)
ELI YOUNG BAND Drunk Last Night: 59.017 (+ 0.630)
LADY GAGA Do What U Want f/R. Kelly: 58.989 (+ 0.805)
THE BAND PERRY Dont Let Me Be Lonely: 53.006 (+ 0.205)
JUSTIN TIMBERLAKE TKO: 52.575 (- 0.404)
FLORIDA-GEORGIA LINE Stay: 48.022 (+ 0.933)
JAY Z Tom Ford: 46.302 (+ 0.179)
CASSADEE POPE Wasting All These Tears: 41.329 (+ 0.043)
LUKE BRYAN Drink A Beer: 36.213 (+ 0.568) BRENDA LEE Rockin Around The Christmas..: 36.865 (+ 2.029)
MARIAH CAREY All I Want For Christmas Is : 36.145 (+ 1.666)
BURL IVES Have A Holly Jolly Christmas: 35.867 (+ 1.464)
BOBBY HELMS Jingle Bell Rock: 35.367 (+ 1.281)
ONE DIRECTION Story Of My Life: 35.150 (+ 0.001) ELLIE GOULDING Burn: 34.182 (+ 1.334)
BASTILLE Pompeii: 33.210 (+ 0.671) NAT KING COLE The Christmas Song: 32.416 (+ 1.155)
LADY ANTEBELLUM Compass: 30.052 (+ 0.186) A GREAT BIG WORLD Say Something w/C. Aguilera: 28.717 (+ 1.300)
JOHN LENNON Happy Xmas/War Is Over: 27.660 (+ 0.845) LORDE Team: 26.730 (+ 1.205)
BRITNEY SPEARS Perfume: 14.574 (+ 1.100)
KELLY CLARKSON Underneath The Tree: 11.061 (+ 0.459)
BRITNEY SPEARS It Should Be Easy: 0.583
BRENDA LEE – Rockin’ Around The Christmas..: 36.865 (+ 2.029)
MARIAH CAREY – All I Want For Christmas Is…: 36.145 (+ 1.666)
BURL IVES – Have A Holly Jolly Christmas: 35.867 (+ 1.464)
BOBBY HELMS – Jingle Bell Rock: 35.367 (+ 1.281)
NAT KING COLE – The Christmas Song: 32.416 (+ 1.155)
Maybe they should just release Dark Horse now instead of waiting until January. 
