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)1.57-9.77-3.681.27-6.62-17.5358.1111.393.8271.647.0421.3676.215.822.9653.5413.7230.65
24Q2 (19)1.744.820.01.363.82-15.5352.17-4.56-0.0266.93-3.8518.6972.02-3.737.2447.08-4.8113.66
24Q1 (18)1.663.7513.71.31-7.09-5.7654.66-3.75-12.3369.618.026.2974.81-0.086.9649.466.69-14.58
23Q4 (17)1.60-1.8425.01.41-8.440.7156.791.47-19.9164.449.16-1.2174.871.1514.946.3613.13-34.69
23Q3 (16)1.63-6.3248.181.54-4.3522.2255.977.26-32.3159.034.68-17.9674.0210.21-1.140.98-1.06-48.65
23Q2 (15)1.7419.1853.981.6115.8324.8152.18-16.31-35.2656.39-13.9-20.0167.16-3.97-19.9741.42-28.46-38.34
23Q1 (14)1.4614.0623.731.39-0.71-9.7462.35-12.07-19.0265.490.410.5769.947.34-13.0257.90-18.433.74
22Q4 (13)1.2816.363.231.4011.11-20.070.91-14.25-3.2965.23-9.3425.4765.16-12.93-12.4370.98-11.0539.48
22Q3 (12)1.10-2.65-23.081.26-2.33-29.2182.692.5930.2271.952.0641.0574.84-10.82-0.6579.8018.79103.68
22Q2 (11)1.13-4.24-26.621.29-16.23-32.1180.604.6936.7770.5019.0347.3783.924.3716.4367.1820.3793.71
22Q1 (10)1.18-4.84-22.881.54-12.0-24.1476.995.0129.1359.2313.9331.9780.418.0618.1555.819.6753.2
21Q4 (9)1.24-13.29-15.071.75-1.69-11.6273.3215.4617.7551.991.9213.2274.41-1.22-2.1250.8929.8958.19
21Q3 (8)1.43-7.14-5.921.78-6.32-11.4463.507.756.1751.016.6312.7575.334.512.0639.1812.9825.42
21Q2 (7)1.540.65-9.411.90-6.43.2658.93-1.1610.447.846.6-3.5172.085.914.034.68-4.83.06
21Q1 (6)1.534.7917.692.032.5330.1359.62-4.26-14.8444.88-2.26-23.2268.06-10.47-20.9236.4313.24-14.08
20Q4 (5)1.46-3.950.01.98-1.49-4.8162.274.11-0.4345.921.54.7976.022.999.3232.172.98-12.65
20Q3 (4)1.52-10.590.02.019.240.059.8112.050.045.24-8.750.073.816.490.031.24-7.160.0
20Q2 (3)1.7030.770.01.8417.950.053.38-23.750.049.58-15.180.069.31-19.460.033.65-20.640.0
20Q1 (2)1.30-10.960.01.56-25.00.070.0111.940.058.4533.390.086.0623.760.042.4015.120.0
19Q4 (1)1.460.00.02.080.00.062.540.00.043.820.00.069.540.00.036.830.00.0
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)6.6642.05.71-8.254.82-29.6163.928.8767.49-6.5851.25-20.37
2022 (9)4.69-23.626.22-16.8477.8831.0458.7120.3172.240.2864.3677.84
2021 (8)6.147.537.48-6.8559.43-7.048.807.3272.04-1.8836.190.7
2020 (7)5.714.968.03-1.1163.90-4.745.471.273.42-5.9135.945.83
2019 (6)5.446.468.12-1.8167.05-6.0544.931.7478.03-0.4233.96-8.64
2018 (5)5.11-4.138.27-14.8371.374.2444.1617.4578.361.2537.1729.56
2017 (4)5.337.039.71-0.3168.47-6.5637.600.3277.39-5.7528.690.14
2016 (3)4.98-12.489.74-1.8173.2814.337.481.982.111.5728.6542.89
2015 (2)5.69-3.49.9210.5964.113.536.78-9.5980.848.5220.05-28.72
2014 (1)5.895.758.977.8161.94-5.4140.68-7.3174.49-7.2528.13-3.23

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