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)7.25205.91386.581.108.91-40.8612.54-67.34-79.4582.46-8.4868.5634.93-3.6417.9360.08-34.87-25.21
24Q2 (19)2.3724.0850.01.01-31.29-41.2838.40-19.34-33.5290.1045.670.2636.2577.6169.3192.253.563.34
24Q1 (18)1.9138.4123.231.476.5224.5847.61-27.91-18.7861.88-6.07-20.0720.41-40.6-15.0689.08-8.69-20.47
23Q4 (17)1.38-7.3843.751.38-25.8116.9566.048.21-30.0665.8834.67-14.3334.3616.014.0497.5621.45-30.9
23Q3 (16)1.49-5.739.251.868.14-13.4961.035.66-28.2348.92-7.5615.7329.6238.3562.8480.33-10.01-26.38
23Q2 (15)1.581.9453.41.7245.76-8.5157.76-1.47-34.8652.92-31.659.3421.41-10.912.6889.27-20.3-24.39
23Q1 (14)1.5561.4623.021.180.0-38.2258.62-37.92-18.9277.420.6862.6824.03-20.2564.14112.01-20.666.42
22Q4 (13)0.96-10.28-25.581.18-45.12-33.7194.4211.0434.0876.9081.9350.2530.1365.6457.58141.1829.3937.76
22Q3 (12)1.073.88-10.832.1514.3629.5285.03-4.1111.9342.27-12.67-22.9918.19-4.26-32.65109.11-7.595.06
22Q2 (11)1.03-18.25-12.711.88-1.5728.7788.6722.6415.1948.401.7-22.419.0029.78-3.16118.0712.18-1.38
22Q1 (10)1.26-2.33-15.441.917.324.8472.302.6718.2147.59-7.01-20.2314.64-23.43100.55105.252.7-7.29
21Q4 (9)1.297.5115.01.787.23109.4170.42-7.31-53.6951.18-6.76-52.2419.12-29.2143.87102.48-1.32-58.33
21Q3 (8)1.201.6993.551.6613.739.575.97-1.31-47.9854.89-11.99-28.0127.0137.6786.66103.85-13.26-50.03
21Q2 (7)1.18-20.8178.791.46-4.5825.8676.9825.87-43.9562.374.54-20.7719.62168.7711.79119.725.46-39.69
21Q1 (6)1.49148.3398.671.5380.08.5161.16-59.78-49.8559.66-44.33-7.467.30-45.07-70.46113.52-53.84-29.8
20Q4 (5)0.60-3.23-36.170.85-28.57-50.29152.054.1156.91107.1740.55101.313.29-8.15-65.07245.9318.33119.38
20Q3 (4)0.62-6.060.01.192.590.0146.056.330.076.25-3.140.014.47-17.550.0207.844.70.0
20Q2 (3)0.66-12.00.01.16-17.730.0137.3512.630.078.7222.10.017.55-28.980.0198.5122.750.0
20Q1 (2)0.75-20.210.01.41-17.540.0121.9525.850.064.4721.090.024.71-35.060.0161.7244.260.0
19Q4 (1)0.940.00.01.710.00.096.900.00.053.240.00.038.050.00.0112.100.00.0
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)7.7511.515.01-21.3547.08-10.3172.9227.3530.2658.2689.74-0.97
2022 (9)6.9543.06.3730.052.49-30.0457.26-23.1419.1234.5590.62-33.03
2021 (8)4.8669.934.9027.9475.03-41.274.50-21.7314.21-45.95135.31-31.14
2020 (7)2.86-33.023.83-64.73127.6149.2995.18183.1926.2913.81196.50104.71
2019 (6)4.27-28.1110.86-71.9985.4839.0833.61257.1723.1070.3595.9967.46
2018 (5)5.94-26.6738.77-33.1361.4636.379.4149.613.5654.2757.3234.65
2017 (4)8.10-86.7557.98045.07654.946.2908.79145.5342.571681.17
2016 (3)61.12274.740.0005.97-73.320.0003.58-88.382.390
2015 (2)16.3123.098.71413.3122.38-18.713.70-80.5130.8115.87-4.730
2014 (1)13.26-66.019.2331.7127.53194.1218.98-24.0826.595.6819.93116.63

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