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Loyalty Program Devaluation Index
Latest prices: October 2026Checked Oct 16 – Oct 21, 2026Site updated Oct 21, 2026Next update: November 2026
Programs / China Southern Sky Pearl

China Southern Sky Pearl

China Southern Sky Pearl is an airline program based in Asia-Pacific. In October 2026 (prices checked October 16–21), one China Southern Sky Pearl mile bought a median of 1.06¢ of travel across 4 priced searches on the same 3 flights checked every month; on the 4 searches priced in both September and October, its value fell 23.1%. One mile bought 1.07¢ in September and 1.25¢ in August.

What 50,000 miles bought$530 in October$536 in September · $623 in August
Change since September−23.1%on the 4 searches priced in both months, each compared with itself
Change since August−42.8%each month’s same-search change, chained over 3 months
Checks with a price13 of 185 returned no price; see why below

The published chart and the booking engine disagree. China Southern's chart lists Guangzhou–Sydney economy at 40,000 miles. All six checks so far came back at 50,000, which is 25% above the chart.

Table 1. About China Southern Sky Pearl · as of Aug 13, 2026
Publishes an award chart?YesSee the source
Did prices in miles change?No, all 3 items heldacross 13 mile prices seen
Need an account to see prices?YesYou must sign up before it shows an award price
Partner programs to redeem with15See the source
Credit card points that transfer inNone tracked
Published valuationsTPG: none · NerdWallet: noneHow these compare

Notes from collection: “published chart shows 40k for economy CAN to SYD; observed 50k on both dates. Chart may be outdated. long haul business class awards redemptions supposedly notoriously hard to find. Needed sign up for awards price”

Item by item

What one mile bought on each flight, every month. Each item is checked twice: about 60 days before travel and about 180 days before.

Booked ~60 days aheadBooked ~180 days ahead× no price that month
Chart 1. Guangzhou → Bangkok
CAN–BKK · Economy
0.54¢2.05¢7.78¢AugSepOct
Chart 2. Guangzhou → Sydney
CAN–SYD · Economy
0.54¢2.05¢7.78¢AugSepOct
Chart 3. Guangzhou → Sydney
CAN–SYD · Business
0.54¢2.05¢7.78¢AugSepOct

All 3 charts share one scale, so their heights compare directly.

Chart 4. Every check compared with published valuations · 13 checks
Each checkMiddle checkTPGNerdWalletCents per point.
1¢2¢5¢

Grey dots are individual checks. The white tick is the middle value. TPG and NerdWallet each publish one number per program; this index shows the whole range.

Every check, with its screenshot

Each row is one search. Click a thumbnail to open the screenshot it came from: “a” is the points search, “c” the cash search.

  • Guangzhou → Bangkok · Economy0.86¢
    Aug (R1) · booked ~60 days ahead · travel Oct 14
    25,000 points · cash $215.00
  • Guangzhou → Bangkok · Economy0.90¢
    Aug (R1) · booked ~180 days ahead · travel Feb 10
    25,000 points · cash $224.00
  • Guangzhou → Sydney · Business—
    Aug (R1) · booked ~60 days ahead · travel Oct 14
    — points · cash $3,257.40
    “no business award inventory on this flight/date.”
  • Guangzhou → Sydney · Business—
    Aug (R1) · booked ~180 days ahead · travel Feb 10
    — points · cash $3,831.40
    “no business award inventory on this flight/date.”
  • Guangzhou → Sydney · Economy1.68¢
    Aug (R1) · booked ~60 days ahead · travel Oct 14
    50,000 points · cash $838.40
  • Guangzhou → Sydney · Economy1.59¢
    Aug (R1) · booked ~180 days ahead · travel Feb 10
    50,000 points · cash $797.40
  • Guangzhou → Bangkok · Economy0.63¢
    Sep (R2) · booked ~60 days ahead · travel Nov 4
    25,000 points · cash $158.20
  • Guangzhou → Bangkok · Economy0.86¢
    Sep (R2) · booked ~180 days ahead · travel Mar 3
    25,000 points · cash $216.20
  • Guangzhou → Sydney · Business6.76¢
    Sep (R2) · booked ~60 days ahead · travel Nov 4
    70,000 points · cash $4,734.30
  • Guangzhou → Sydney · Business—
    Sep (R2) · booked ~180 days ahead · travel Mar 3
    — points · cash $2,297.30
    “no business award inventory on this flight/date”
  • Guangzhou → Sydney · Economy1.07¢
    Sep (R2) · booked ~60 days ahead · travel Nov 4
    50,000 points · cash $536.30
  • Guangzhou → Sydney · Economy1.07¢
    Sep (R2) · booked ~180 days ahead · travel Mar 3
    50,000 points · cash $536.30
  • Guangzhou → Bangkok · Economy0.67¢
    Oct (R3) · booked ~60 days ahead · travel Dec 16
    25,000 points · cash $168.00
  • Guangzhou → Bangkok · Economy—
    Oct (R3) · booked ~180 days ahead · travel Apr 14
    — points · cash $225.00
    “no award availability on this flight/date”
  • Guangzhou → Sydney · Business2.29¢
    Oct (R3) · booked ~60 days ahead · travel Dec 16
    70,000 points · cash $1,602.90
  • Guangzhou → Sydney · Business—
    Oct (R3) · booked ~180 days ahead · travel Apr 14
    — points · cash $2,902.90
    “no business award available on this flight/date”
  • Guangzhou → Sydney · Economy0.99¢
    Oct (R3) · booked ~60 days ahead · travel Dec 16
    50,000 points · cash $492.90
  • Guangzhou → Sydney · Economy1.14¢
    Oct (R3) · booked ~180 days ahead · travel Apr 14
    50,000 points · cash $567.90
MonthItemBookedPointsPlus cashCash priceOne pointScreenshotsNotes
Aug (R1)
checked Aug 17
Guangzhou → Bangkok · Economy~60 days
Oct 14 · 58d
25,000$215.000.86¢
Aug (R1)
checked Aug 17
Guangzhou → Bangkok · Economy~180 days
Feb 10 · 177d
25,000$224.000.90¢
Aug (R1)
checked Aug 17
Guangzhou → Sydney · Business~60 days
Oct 14 · 58d
—$3,257.40—
no business award inventory on this flight/date.
Aug (R1)
checked Aug 17
Guangzhou → Sydney · Business~180 days
Feb 10 · 177d
—$3,831.40—
no business award inventory on this flight/date.
Aug (R1)
checked Aug 17
Guangzhou → Sydney · Economy~60 days
Oct 14 · 58d
50,000$838.401.68¢
Aug (R1)
checked Aug 17
Guangzhou → Sydney · Economy~180 days
Feb 10 · 177d
50,000$797.401.59¢
Sep (R2)
checked Sep 4
Guangzhou → Bangkok · Economy~60 days
Nov 4 · 61d
25,000$158.200.63¢
Sep (R2)
checked Sep 4
Guangzhou → Bangkok · Economy~180 days
Mar 3 · 180d
25,000$216.200.86¢
Sep (R2)
checked Sep 4
Guangzhou → Sydney · Business~60 days
Nov 4 · 61d
70,000$4,734.306.76¢
Sep (R2)
checked Sep 4
Guangzhou → Sydney · Business~180 days
Mar 3 · 180d
—$2,297.30—
no business award inventory on this flight/date
Sep (R2)
checked Sep 4
Guangzhou → Sydney · Economy~60 days
Nov 4 · 61d
50,000$536.301.07¢
Sep (R2)
checked Sep 4
Guangzhou → Sydney · Economy~180 days
Mar 3 · 180d
50,000$536.301.07¢
Oct (R3)
checked Oct 16
Guangzhou → Bangkok · Economy~60 days
Dec 16 · 61d
25,000$168.000.67¢
Oct (R3)
checked Oct 16
Guangzhou → Bangkok · Economy~180 days
Apr 14 · 180d
—$225.00—
no award availability on this flight/date
Oct (R3)
checked Oct 16
Guangzhou → Sydney · Business~60 days
Dec 16 · 61d
70,000$1,602.902.29¢
Oct (R3)
checked Oct 16
Guangzhou → Sydney · Business~180 days
Apr 14 · 180d
—$2,902.90—
no business award available on this flight/date
Oct (R3)
checked Oct 16
Guangzhou → Sydney · Economy~60 days
Dec 16 · 61d
50,000$492.900.99¢
Oct (R3)
checked Oct 16
Guangzhou → Sydney · Economy~180 days
Apr 14 · 180d
50,000$567.901.14¢
Cathay Asia MilesDelta SkyMiles