玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.895.955.950.7011.11-12.5102.12-6.29-5.83130.31-9.5914.6970.26-12.269.83162.17-6.282.58
24Q2 (19)0.8416.6715.070.6314.550.0108.98-13.87-12.69144.14-13.660.3680.08-20.164.03173.04-10.45-21.21
24Q1 (18)0.721.41-6.490.55-12.7-6.78126.53-1.967.33166.9416.388.27100.22-4.4848.21193.2415.31-5.48
23Q4 (17)0.71-15.48-1.390.63-21.2521.15129.0619.022.31143.4526.25-17.28104.9264.0113.45167.596.01-19.07
23Q3 (16)0.8415.0737.70.8026.9833.33108.44-13.12-27.53113.62-20.89-25.4563.9731.03-34.26158.09-28.02-22.78
23Q2 (15)0.73-5.192.820.636.78-39.42124.825.88-2.86143.63-6.8563.7248.82-27.8-32.1219.637.4252.17
23Q1 (14)0.776.942.670.5913.46-54.96117.89-6.54-2.47154.19-11.09121.3167.62-26.88-11.33204.45-1.2778.89
22Q4 (13)0.7218.03-4.00.52-13.33-60.61126.14-15.73.49173.4213.79151.3392.48-4.9615.44207.081.1586.93
22Q3 (12)0.61-14.08-16.440.60-42.31-56.52149.6316.4420.0152.4173.73131.8797.3135.3452.4204.7341.8561.75
22Q2 (11)0.71-5.33-4.051.04-20.61-24.64128.506.314.0187.7325.9232.6471.90-5.7217.7144.3326.2812.24
22Q1 (10)0.750.0-7.411.31-0.76-2.24120.87-0.848.1169.670.972.876.26-4.8147.99114.293.17-10.74
21Q4 (9)0.752.740.01.32-4.3521.1121.89-2.250.6469.004.97-17.1780.1125.4758.26110.78-12.48-27.97
21Q3 (8)0.73-1.35-1.351.380.060.47124.690.931.2565.73-0.62-37.7363.854.526.13126.57-1.57-24.9
21Q2 (7)0.74-8.644.231.382.9968.29123.5410.5-3.2866.14-2.41-40.6361.0918.55-3.73128.590.43-26.8
21Q1 (6)0.818.062.01.3422.9483.56111.80-7.69-39.0167.77-18.64-45.551.531.8-34.81128.04-16.74-43.99
20Q4 (5)0.751.3520.971.0926.74-0.91121.11-1.66-17.183.30-21.080.5350.62-15.86-28.35153.79-8.75-2.85
20Q3 (4)0.744.230.00.864.880.0123.15-3.590.0105.55-5.260.060.16-5.20.0168.54-4.060.0
20Q2 (3)0.7142.00.00.8212.330.0127.73-30.320.0111.41-10.410.063.46-19.720.0175.67-23.160.0
20Q1 (2)0.50-19.350.00.73-33.640.0183.3125.480.0124.3650.080.079.0511.890.0228.6244.420.0
19Q4 (1)0.620.00.01.100.00.0146.090.00.082.860.00.070.650.00.0158.300.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)3.329.572.37-20.74110.04-8.51153.8126.0892.97-4.0170.8817.49
2022 (9)3.03-0.332.99-39.47120.280.02121.9965.0196.8433.59145.4419.51
2021 (8)3.0422.584.9421.38120.26-18.2273.93-17.5372.4918.53121.70-30.67
2020 (7)2.48-15.074.07-5.57147.0517.8289.655.8661.16-15.16175.5427.76
2019 (6)2.929.364.319.39124.81-8.7784.69-8.6872.09-26.72137.404.75
2018 (5)2.6711.723.94-3.43136.81-10.4692.743.6498.3719.76131.17-18.09
2017 (4)2.39-3.244.0816.91152.793.3189.48-14.4182.1422.07160.13-13.52
2016 (3)2.474.663.4934.23147.90-4.49104.55-25.5367.2910.98185.16-21.08
2015 (2)2.36-18.342.60-2.99154.8522.6140.393.2260.6322.91234.6110.15
2014 (1)2.893.582.6814.04126.30-3.62136.01-12.5549.33-30.71212.99-1.11

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